Official

How Zeppelins Got Into Old Postcards and Photographs

Two German cards look like one town under two skies. On one comparison, two Berlin pictures have hulls that mostly line up and engine pods that do not. Museum catalogues say, in a few lines, how a ship got onto a card. A forum asked what brushed skies could hide.

A postcard with a huge cartoon airship carrying two wicker passenger baskets, in a white sky, above a dark photograph of a town with a palace tower.
The joke card of Wermsdorf: a cartoon airship on the line Friedrichshafen-Wermsdorf-Hubertusburg-Memel over a real photograph of the town. German postcard Zeppelin ueber Wermsdorf-Hubertusburg, maker unknown, about 1914, public domain. Scan of an exhibition reprint by Derbrauni, via Wikimedia Commons. Set on a darkened copy of itself.

A German postcard of Wermsdorf, in Saxony, shows an airship as wide as the card itself, parked in a blank white sky above the roofs and the tower of Hubertusburg palace. Along its hull runs a lettered panel: Linie Friedrichshafen-Wermsdorf-Hubertusburg-Memel. A scheduled service, from the town that built Zeppelins to what was then the northernmost city in Germany, with a stop at a small Saxon town.

Two wicker baskets hang under it. II Klasse has its luggage slung beneath. IV Klasse is so crammed that a passenger has gone over the side and dangles below the basket. A man rides the hull with a telescope. A birdcage swings from one end.

It is a joke, and it hangs over a real place. Under the cartoon lies a photograph: slate roofs, one thin chimney, dark trees, the palace on its rise, a flat horizon going off into grey.

A second card of the same place has no joke in it. Heaped clouds, a plain Zeppelin, a line of somebody's handwriting running across the sky, and below them the roofs again.

Same chimney. Another sky.

A sepia postcard with a Zeppelin among heaped clouds, handwriting across the sky, and a dark view of roofs, trees and a palace tower along the bottom.
The plain Wermsdorf card, with clouds and a handwritten message. The file page dates it about 1911; the hull's lettering suggests later. German postcard Zeppelin ueber Wermsdorf-Hubertusburg, maker unknown, dated about 1911 on the file page, public domain. Scan of an exhibition reprint by Derbrauni, via Wikimedia Commons.

A File of Plain Sentences

A search in English and German found no general study of airships added to old cards, as the article on the Leipzig card found before it. What it found is smaller: lines in catalogue records.

Six holders speak of an airship. The Detroit Historical Society holds Detroit The Airship City, a Pesha Photo card postmarked 26 July 1910, and records that a biplane and an airship are superimposed on the sky. Museum Schloss Neuenbuerg says the airship on a Gebrueder Metz card of about 1910 was probably put in afterwards; its technique field reads Fotomontage, with a question mark. The Karrasburg Museum in Coswig records a drawn Zeppelin, probably issued for a flight of 18 September 1912. The Library of Congress files G. V. Buck's Capitol of 1906 under a title that asks: airship (drawn?). Historic England says of R101 over St Paul's: "Probably a composite photo montage." And a City of Toronto Archives print of R100 of 1930 is titled a composite, as the title is carried on Wikimedia Commons.

A straight-on photograph of the Capitol with carriages in front and a small airship in the sky to the left of the dome.
East front of the U.S. Capitol, copyright 1906 by G. V. Buck. The Library's title asks: airship (drawn?). G. V. Buck, 1906, Library of Congress, Prints and Photographs Division, LC-USZ62-113347. Public domain by age; the record states no rights.

Three of the six hedge. Beside them sit two other kinds of line. Barnet's archive titles a 1910 Hendon card a fake, but of an aeroplane: cameras were too slow, it says, so an enlarger put one in. The other is a forum post, below.

Neither Wermsdorf card is in the file: both are scans of exhibition reprints on Wikimedia Commons, and no holder of the originals is known. So Official X compared them with a feature-matching script, on the full files, 3,440 px wide. Some 2,269 matching points fit one geometry with a median miss of 1.3 px. Detail across 207 patches of roof and tree correlates at 0.71, near the 0.73 and 0.76 the same script gives on drawings visibly printed from one block; patches pushed 40 px out of line give 0.00, which rules out misalignment and nothing more. Read that way the town looks like one photograph under two skies, though reprints cannot exclude a second exposure from the same tower in the same light.

Two wide grey strips of the same view of roofs, trees and a palace, stacked one over the other and matching building for building.
The town on the two Wermsdorf cards, aligned for the comparison: the plain card above, the joke card below. The reading that they are one photograph is the comparison's; both scans are of reprints. Town views from two German postcards of Wermsdorf, public domain, scans by Derbrauni via Wikimedia Commons. Cropped to the town, turned grey, aligned and stacked by Official X; the lower card is warped to the upper.
A view of a town in red and cyan with sharp edges throughout and no doubled lines.
The same two views laid over each other. Where they agree the picture stays grey; pink walls show a difference in tone between the two scans. Two German postcards of Wermsdorf, public domain, scans by Derbrauni via Wikimedia Commons. Cropped to the town, turned grey, warped into line and overlaid by Official X: plain card in red, joke card in cyan.

Brushed Skies

The Tartaria version of this story is about what lifted the buildings. Tartaria Vault's film of January 2026 says airships set them in place. It speaks of hundreds of pictures and of archive prints with their rigging scratched out, names no archive, and in its own footer calls the material imaginative speculation that should not be considered factual.

The question of the sky came up earlier, on the forum Stolen History, in March 2021. The poster KorbenDallas proposed that victory columns were mooring masts. The pictures include Graf Zeppelin at the Berlin column and the Los Angeles at the Capitol, named ships of the 1920s, which puts a flight in the frame and no mooring.

Then a member called Right Arm offered what he called just an observation: pictures with airships keep their skies, while "most historic pics without them have brushed skies." KorbenDallas answered: "those brushed skies could be hiding a lot of interesting things including airships." To illustrate the point Right Arm ran a paint-bucket tool over two skies, which shows that a sky is flat, not what it once held.

The thread stops at could be. This article takes the next step for the sake of the question: if a brush could hide a thing, a whole class of object could leave the record one print at a time, and no negative need burn.

In January 2024 a poster called Restitutor_Orbis_214 put 48 pictures on r/Tartaria in three parts, Airship Photos, without a word of text.

If the comparison holds, a Wermsdorf sky was changed on at least one card. It cannot say which card, or which way.

What a Rewritten Sky Would Mean

Set aside for a moment whether any sky was brushed to hide a craft. Ask the better question. What kind of past are we looking at if one was?

It would mean, first, that the sky is the least trustworthy part of every old view of every town. Not the street, with its trams and its shopfronts, which we check. The part above it, which we never look at. Every card sold before 1914 would be a page edited in the one place nobody reads.

It would mean that the history of flight has been written from a sorted pile. On that reading what was in the air between the 1880s and 1914 would be what a print shop chose to leave in, and the museum gondolas and the dated flights would be the part that was allowed to stay.

It would mean that we do not hold our great-grandparents' world. We hold a product. A town's picture of the greatest day it ever had would be the work of somebody at a bench, far away, who may never have looked up. Our family albums, our local histories and the framed view in the town hall would all descend from that bench. The memory would feel like ours, and it would be theirs.

And it would leave one question in front of us, the one that matters most. Ours is the first age in which anybody can put anything into any sky, or take it out, in seconds and for nothing. If a brush and an enlarger could rearrange the heavens without one person writing it down, what will anyone be able to say, a hundred years from now, about the sky over us?

An airship seen from below and at a steep angle beside a tall column topped by a winged figure.
Graf Zeppelin and the Victory Column, Berlin, October 1928, the number before the Gate in the same series, with the ship at another angle. Stolen History used this picture in its mooring-mast thread. Bundesarchiv, Bild 102-06615 / CC-BY-SA 3.0, via Wikimedia Commons.

Ready-Made Ships

The standard account holds that the ship went in, not out, and that the reasons were commercial. Barnet's caption gives one: the cameras of 1910 could not hold a fast machine. John Higgs, in a 2013 talk to a Fairford history society, described makers keeping a supply of clouds to drop into plain skies. The Panecki postcard collection's history says retouchers filled blank skies and that "even zeppelins" came as ready-made decals, though its dated example is a card of the late 1940s.

The same script points that way. Set against the Coswig card at 1,400 px wide, the Wermsdorf cartoon gives 882 points and a median miss of 0.6 px, down to the falling passenger and the birdcage, which reads as one drawing with the town's name changed on the hull. A Kiel card from Ottmar Zieher of Munich runs the same joke line with another drawing. Three Dresden cards carry what looks like one line-drawn Parseval, at 320, 160 and 94 points, where other pairs among six Dresden cards share 17 at most.

A coloured postcard of a cartoon airship with an engine gondola and passenger cars over a harbour full of ships.
Gruss aus der Kieler Luft: the same joke line, Friedrichshafen-Kiel-Memel, with a different drawing. The file page's date of about 1905 looks too early. Ottmar Zieher, Munich, Stadtarchiv Kiel 48.863, Public Domain Mark, via Wikimedia Commons.
A grey postcard of the Dresden skyline with a finely drawn airship and hanging car in the sky.
Dresden with a line-drawn Parseval Luftschiff over the Elbe skyline. Carl Doege (Commons category), undated on the file page, postcard collection of Holger Naumann, Dresden, Public Domain Mark, via Wikimedia Commons.
A brown postcard of a domed exhibition palace among trees with the same drawn airship above it.
What looks like the same drawn craft, on the comparison, over the Dresden exhibition palace. Carl Doege (Commons category), undated on the file page, postcard collection of Holger Naumann, Dresden, Public Domain Mark, via Wikimedia Commons.

Buck's Capitol, on the Library's 4,096 px master, shows a craft hatched in strokes, with no rigging from the envelope to the frame below. His White House, the next copyright number, shows a speck.

A close view of a dark oval envelope shaded in fine strokes above a narrow framework with a standing figure and a box rudder.
The airship on Buck's Capitol, close up on the Library's master scan: strokes on the envelope, and no line visible from the envelope to the frame. The Library's own word stays (drawn?). G. V. Buck, 1906, Library of Congress, Prints and Photographs Division, LC-USZ62-113347. Public domain by age. Detail cropped and enlarged by Official X.

As for the album, 15 of the 48 pictures could be tied to a printed caption or to a holder's record, matched by script and checked by eye. The dated airships among them run from 1905 to 1933. Read at contact-sheet size, none of the 48 shows a stone, a beam or a cargo on a line, which is what the film's claim would want. The nearest thing is a small aeroplane on an airship's hook.

A small airship beside a shed and the huge domed Rotunde pavilion across an open field.
One album picture traced: the Renner brothers' Estaric at the Rotunde in Vienna, 1909. A watermarked copy sits in the r/Tartaria album with no caption. R. Lechner (Wilh. Mueller), 1909, Wien Museum, inv. 34017/5, CC0. Cropped.

What the Paste Does Not Reach

Those lines say how a ship got onto a card. They do not say the ship was never there.

The hull on the plain Wermsdorf card seems to read Sachsen, at the limit of the scan. A ship of that name first flew on 3 May 1913, which leaves the upload's date of about 1911 in trouble, and German Wikipedia records a stone at Wermsdorf for its landing there on 12 July 1914. Coswig's museum ties its cartoon to a flight. R100 crossed Toronto on 11 August 1930. Which means a ship added to a card can still be a picture of something that happened.

Berlin is harder. The Bundesarchiv holds Graf Zeppelin over the Brandenburg Gate and over the Reichstag, Bild 102-06616 and 102-06617, in the Pahl agency series, dated October 1928, captioned as flights. The Badischer Beobachter of 4 October has the ship over Berlin at 9.02 the morning before, in clear weather. Getty lists another view of the Gate, credited to Alfred Gross in Zeitbilder 41/1928: a street-level crowd and a far smaller craft. It is a different picture.

A long airship in a pale sky above the four-horse chariot on top of the Brandenburg Gate.
Graf Zeppelin over the Brandenburg Gate, October 1928. The archive's caption says the ship flies over the gate. Bundesarchiv, Bild 102-06616 / CC-BY-SA 3.0, via Wikimedia Commons.
A long airship in a pale sky above the Reichstag front, a dark statue with a sceptre in the foreground.
Graf Zeppelin over the Reichstag, October 1928, from the next number in the same series. Bundesarchiv, Bild 102-06617 / CC-BY-SA 3.0, via Wikimedia Commons.

Official X ran the same kind of comparison here, on the 800 px files, the largest copies found. On that comparison the two hulls resemble each other closely. Lines and lettering correlate at 0.83, and 12 of 15 pod-sized patches with clear detail land on themselves. A clean copy of one picture scores 0.99 and lands them all, but copies softened by 1 px of blur score 0.77 to 0.90 and land only 9 to 12, so the hull figures alone cannot separate the cases. The two engine pods, which hang clear of the hull and are best placed to show a change of viewpoint, do not land. They sit 1.2 and 2.0 px off, and stand 18 and 28 percent shorter in the Reichstag picture. In 68 test copies of one image, blurred, sharpened, toned, resampled or compressed, the worst case was 0.9 px and 17 percent, at 1.8 px of blur, about four times the blur that separates the two files' sharpness.

Four enlarged pixel blocks of small dark engine pods below a hull edge, the right-hand pair flatter than the left.
Official X comparison: the two engine pods enlarged, the Gate picture on the left, the Reichstag picture on the right, aligned on the hull. Each pod is about 8 px wide in the files. Bundesarchiv, Bild 102-06616 and 102-06617 / CC-BY-SA 3.0, via Wikimedia Commons. Cropped and enlarged 16 times by Official X, with the Reichstag picture warped to the Gate on the hull; this panel is under CC BY-SA 3.0 de.

That reading counts against one image reused unchanged. It does not prove two exposures: the pods are about 8 px wide, and a retoucher could have touched them. Two exposures from one angle are untested, because no picture of the ship at that angle was found. On this measurement Berlin is a resemblance, unresolved.

Three stacked strips: two near-identical side views of an airship and a black strip with faint lines showing where they differ.
Official X comparison: the ship from the Gate (top), the ship from the Reichstag aligned to it (middle), and the difference, tripled (bottom), at 800 px. The sky was flattened for the alignment, which leaves the pale rim round each ship; it is not a cut line. The black spot by the nose in the top strip is plate damage. Bundesarchiv, Bild 102-06616 and 102-06617 / CC-BY-SA 3.0, via Wikimedia Commons. Cropped, sky flattened, aligned and subtracted by Official X, the difference tripled; this panel is under CC BY-SA 3.0 de.

The forum's own check is the cleanest in the file. In June 2021 KorbenDallas set an online San Francisco of 1906, airship included, beside the Library of Congress scans and wrote "there is no airship on these." The title there says Captive Airship, which was a camera on kites. Many took that picture for a composite in its day. Who added the ship is unknown.

A very wide aerial panorama of a burned city and its piers, with clouds above and the bay in front.
San Francisco in ruins, 1906, from the Lawrence Captive Airship, a camera on kites. The print at the Library of Congress has no airship in its sky. Geo. R. Lawrence Co., 1906, Library of Congress, Prints and Photographs Division, LC-DIG-ppmsca-07823. No known restrictions on publication.

One more search was made: for a print with an airship painted out, the Wermsdorf pair run backwards. It covered what is online in English and German.

It did not find one.

Two Pictures at 800 Pixels

The Rijksmuseum's show FAKE!, curated by Hans Rooseboom and closed in May 2026, set more than 50 images from 1860 to 1940 in its Photo Gallery, though its press text names no airship. The file here is still small and much of it says probably. In The Airship Record, most old postcards are marked Not stated, because they carry no word on how the airship got there. The Wermsdorf originals, if they survive, could settle the town.

It narrows to two pictures, seen here at 800 px and at no other size. Most of the Bundesarchiv's picture collections are at Koblenz, though its page does not place Bild 102, and whether it holds negatives or prints for these two was not established. That matters, because a paste-up could show its edges on a print and lose them on a negative made from it. Full-size scans could help in three ways. A shared speck or scratch on the plate or print, inside the hull, would point to one source for the ship. Pods that keep their difference on a sharp scan would make one reused image hard to hold. Pods that lose it would bring that reading back. Different grain would not settle it, because two paste-ups from one print, each photographed again, would differ too, and neither answer would say who made either picture or how.

None of it would reach the 1880s. A shared source in 1928 would show a press agency at work, and nothing about what lifted a building.

Two captions say the ship flies over. What the measurement can add, so far, is a hull that mostly lines up and two small pods that do not.

Questions This Leaves You With

Is there anything a person actually does with this?

Nothing in your own life follows from it, and anyone selling you a date or a secret is selling something. But there is one small habit you could keep. When an old picture of a craft reaches you, look for the holder before the caption, and look at the sky's edge where it meets the roofs. The larger question belongs to everyone: what a culture should keep alongside a picture so that the people after it can tell what was done to it.

Does this sit against a religious account of the world?

Hardly at all, and it cuts both ways. Some readers will hear an old warning here, that people see what they are shown and call it the heavens. Others will hear something close to the reverse, that a thing can be true and witnessed even when its only surviving picture was made by a stranger who was not there. Plenty of faiths have thought hard about testimony at second hand. This site will not tell you which way this one falls for you.

Does this change what a human life is?

Think of someone on a Berlin roof that October morning, looking up at the largest thing they had ever seen move. Their picture of it might be a shop's paste-up. If so, a life can look smaller, its best day handed down in another person's version. Or look at it the other way: the day itself needed no picture, and what they saw was theirs whatever the card did afterwards. You may already know which of those you felt first.

What would change your mind, in either direction?

Name it now, before you are committed. Towards a painted-out airship: one print and its negative where a craft on the plate is missing from the print, or a retoucher's job book that records removing one. Against it: a large run of old view cards scanned from their negatives, with the skies compared, and every change found to be an addition or a cloud. For Berlin: the two pictures at full size, whichever way the pods fall. Each of these can be looked for. Which would you accept?

Who drew the line from Friedrichshafen to Memel?

Somebody did. A hand drew a crammed basket, a falling passenger and a birdcage, and left a panel on the hull for a town's name, or changed it for each order. Neither the Wermsdorf card nor the Coswig record names a maker, and nobody has counted how many towns bought that ship. A card with a printer's mark, or a publisher's sample book, would give the drawing an author. The hull has a blank where the name goes. So, for now, does the record.

More photographs

  • A photo card of a long airship over a canal, a bridge and a domed observatory, with a ruler along the bottom of the scan.
    Graf Zeppelin over the Vienna Urania, 2 May 1929. The Commons contributor thinks it a montage, citing newspaper reports of cloud and rain that day. Unknown maker, 1929, card from Antiquariat Klabund, Vienna, scan WWWeb.pix, CC BY-SA 4.0, via Wikimedia Commons.
  • A blue-tinted card of a crenellated palace with a column of soldiers and a dark airship at upper left.
    Mantua, 1913: an airship and marching soldiers before the Palazzo Ducale. The word fotomontaggio is the uploader's. Unknown maker, 1913, Mantova Vecchiotta, public domain as tagged, via Wikimedia Commons.
  • A street view with trams and a tiny airship high in the sky.
    Dresden, a Max Koehler card captioned an original exposure of 12 July 1910: a street with trams and a very small airship. A caption is not a statement of how a picture was made. Kunstverlag Max Koehler, 1910, postcard collection of Holger Naumann, Dresden, Public Domain Mark, via Wikimedia Commons.
  • A coloured card of paddle steamers at a curved quay with a blue airship above.
    The steamer landing at Dresden, posted by 23 July 1910, with what looks like the same drawn craft, recoloured. Carl Doege (Commons category), by 23 July 1910, postcard collection of Holger Naumann, Dresden, Public Domain Mark, via Wikimedia Commons.
  • A grey card of a city square and twin spires with a small airship in the upper sky.
    Parseval in Dresden, 12 July 1910, manoeuvring over the city: a small soft ship above the spires, posted the next day. Stengel & Co. (Commons category), 1910, postcard collection of Holger Naumann, Dresden, Public Domain Mark, via Wikimedia Commons.
  • A black and white cartoon card of a crowd gazing up at airships, above a panel of sleepers waking.
    Robert Langbein's The Dream of a Dresdener, by 1912: crowds dream of airships and wake to news that the visit is off. Robert Langbein, postcard collection of Holger Naumann, Dresden, public domain, via Wikimedia Commons.
  • A grey card of a very large airship over a pale field of rooftops.
    Zeppelin at full speed over Dresden, a Friedrich Knauthe card posted by 5 April 1914: a huge drawn-looking ship over faint roofs. Verlag Friedrich Knauthe, postcard collection of Holger Naumann, Dresden, public domain, via Wikimedia Commons.
  • A dense crowd in hats with flagpoles and a thin airship in the grey sky.
    Z III over a packed Berlin crowd, 29 August 1909, a card marked as an original exposure. It was not tested for this article. Photochemie Berlin, 1909, public domain as tagged, via Wikimedia Commons.
  • A coloured street card of a square and fountain with a very large dark airship overhead.
    The Berlin Schlossplatz on a coloured card with a large dark airship over the square. The file page says 1909. Not tested for this article. Maker unknown, about 1909, public domain, Zeno.org Ansichtskarten via Wikimedia Commons.
  • A view over the Seine and the Eiffel Tower with a pointed airship to the left.
    The military dirigible Republique passing the Eiffel Tower, an ND Phot. card posted in 1913. A close relation of a picture in the album. Neurdein (ND Phot.), public domain as tagged, via Wikimedia Commons.
  • Ticket booths and a captive balloon with a small airship above, on a stereo-card mount.
    Traced from the album: Baldwin's airship over the entrance of his concession at the Lewis and Clark Exposition, Portland, 1905. Library of Congress, Prints and Photographs Division, 2002722167. No known restrictions on publication.
  • A large pointed airship over a field with spectators and white parasols.
    Traced from the album: the Republique leaving Moisson, 1907, watched by people with parasols. Library of Congress, Prints and Photographs Division, 96521020. No known restrictions on publication.
  • An airship low over the sea seen across a ship's railing.
    Traced from the album: Wellman's America seen from the rail of the RMS Trent, October 1910. Library of Congress, Prints and Photographs Division, 2002722166. No known restrictions on publication.
  • A small airship seen head-on in a cloudy sky over a hill and city roofs.
    Traced from the album: Graf Zeppelin head-on over Jerusalem, 11 April 1931, the Mount of Olives behind. G. Eric and Edith Matson Photograph Collection, Library of Congress, 2019696219. No known restrictions on publication.
  • A lawn with a small crowd before the White House among trees, with a tiny airship high in the sky.
    Traced from the album: Buck's View of air ship above the White House, the next copyright number after his Capitol. The ship here is a speck. G. V. Buck, about 1906, Library of Congress, Prints and Photographs Division, LC-USZ62-130946. No known restrictions on publication.

Select a photograph to see it full size, with its caption and credit.

Sources

  1. Postcard - Detroit The Airship City, 2012.046.702 Detroit Historical Society Primary record
  2. Postcard - Woodward Ave. Detroit The Airship City, 2012.020.692 Detroit Historical Society Primary record
  3. Postkarte mit dem Luftschiff Schwaben ueber Neuenbuerg, ca. 1910/1911, III L 1 Museum Schloss Neuenbuerg, museum-digital Primary record
  4. Postkarte: Coswig - Ereignisse - Zeppelin, 0790PK/08 Karrasburg Museum Coswig, museum-digital Primary record
  5. [East front of the U.S. Capitol, with airship (drawn?) above], c1906 Library of Congress Primary record
  6. View of air ship above the White House, ca. 1906 Library of Congress Primary record
  7. Hendon Aerodrome Fake, 1910, The Jack Richardson Collection Barnet Local Studies and Archives Primary record
  8. The R101 flying over St Pauls Cathedral, 1929-1930, AFL03_aerofilms_c16455 Historic England, Aerofilms Collection Primary record
  9. Composite image of HM Airship R100 flying over Toronto, 1930, Fonds 1244, Item 10045 City of Toronto Archives; Wikimedia Commons Primary record
  10. Airship over destroyed 1906 San Francisco, 8 June 2021 Stolen History Primary record
  11. Victory Columns were airship mooring masts, 16 March 2021 Stolen History Primary record
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  13. Tartaria's Airships and the Zeppelin Over the Leipzig Monument, 2026 Official X Study
  14. Photograph of San Francisco in ruins from Lawrence Captive Airship, c1906 Library of Congress Primary record
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  17. AGM 2013: Early postcards, a local history resource? 20 June 2013 Fairford History Society Study
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  21. Pictures and posters Bundesarchiv Study
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  23. Bild 102-06617, Berlin, Luftschiff Graf Zeppelin ueber Reichstag, October 1928 Bundesarchiv; Wikimedia Commons Primary record
  24. Bild 102-06615, Berlin, Graf Zeppelin ueber der Siegessaeule, October 1928 Bundesarchiv; Wikimedia Commons Primary record
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  27. Zeppelin ueber Wermsdorf-Hubertusburg, um 1914, reprint Wikimedia Commons, uploader Derbrauni Primary record
  28. Gruss aus der Kieler Luft, 48.863 Stadtarchiv Kiel; Wikimedia Commons Primary record
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  31. Zeppelinstein, section LZ 17 - Sachsen Wikipedia (German) General reference
  32. Klaipeda Wikipedia General reference
  33. Chris Bateman, That time a giant airship darkened Toronto's skies, 4 May 2013 blogTO Study
  34. FAKE! Early Photo Collages and Photomontages, press release, 17 December 2025 Rijksmuseum Study
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  36. Fotokarte Graf Zeppelin LZ 127, Urania Wien, 1929 Wikimedia Commons, WWWeb.pix Primary record