Sources and Credits is a non-commercial, non-profit, educational resource for the public.


This website has been prepared with the assistance of the following historians who have kindly acted as an informal advisory board to review the site, offering thoughts and suggestions, and most importantly correcting errors when necessary.  The author expresses his deep gratitude and appreciation for their assistance:

  • Cheryl GanzSmithsonian Institution, Chief Curator, National Postal Museum
  • Andreas Horn – Airship Modeler and Historian
  • Dennis Kromm – Airship Historian and Consultant
  • Dieter LederZeppelin Mail Authority and Expertiser and Airship Historian
  • Patrick RussellHindenburg Historian; Editor, Faces of the Hindenburg
  • Rick ZitarosaHistorian, Navy Lakehurst Historical Society


Most of the images on this site are from the author’s personal collection of unpublished material, since one goal of this website is to share images that might not otherwise be available to the public.  Items from other sources are noted in the captions or text.


The text on this site was written entirely by the author (and is protected by copyright), and is based on personal research using the primary and secondary sources which I believe to be the most accurate and reliable.

Primary and Secondary Sources

The archival primary sources on which I have relied are too numerous to detail on this page and are not easily available to the general public.  But to allow readers to follow in my footsteps with published and generally available materials, these are some of the principal sources on which I have relied and which I believe to be the most definitive:

Contemporary Sources:

  • Hugh Allen: The Story of the Airship (7th ed., 1931)
  • Hugo Eckener: Die Amerikafahrt des “Graf Zeppelin”
  • Hugo Eckener: Count Zeppelin, The Man and his Work
  • Hugo Eckener: My Zeppelins
  • Rupert S. Holland: Historic Airships (1928)
  • Ernst Lehmann: Auf Luftpatrouille und Weltfahrt
  • Ernst Lehmann and Howard Mingos: The Zeppelins
  • P.W. Litchfield: Why Has America No Rigid Airships? (1945)
  • C.E. Rosendahl: What About the Airship? (1938)
  • R101 – The Airship Disaster, 1930 (1931)

Recent Secondary Sources:

There are, of course, many other fascinating books about airships; some of these are highly reliable while others were written with less rigorous research:

  • Douglas Botting: Dr. Eckener’s Dream Machine
  • Douglas Botting/Time-Life: The Giant Airships
  • Christopher Chant: The Zeppelin
  • Wilbur Cross: Zeppelins of World War I
  • Mike Flynn: The Great Airships
  • Thom Hook: Flying Hookers, The Last Great Rigid Airship Adventure
  • Thom Hook: Shenandoah Saga
  • Hans Knausel: Zeppelin and the United States of America
  • Ces Mowthorpe: Sky Sailors, The Story of the World’s Airshipmen
  • J.E. Morpurgo: Barnes Wallis
  • Norman Richards: Giants in the Sky

For the beautiful illustrations by Ken Marschall, as well as the text, I need to make special mention of Rick Archbold’s Hindenburg, An Illustrated History.

I have, of course, also read Michael M. Mooney’s The Hindenburg and Adolph A. Hoehling’s Who Destroyed the Hindenburg, but each time I read them I am amazed at how casually, carelessly, and misleadingly they were written.

For the material on Clara Adams, I have relied on her own writings, supplemented and verified by secondary sources, including Jon E. Krupnick’s Pacific Pioneers and his revised Pacific Pioneers – The Rest of the Story.

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