" "Popular Mechanics", February 1930, the future of dirigibles as aviation experts predicted in 1930, drawings on pages 220 and 221 shows how aviation experts saw the Hindenburg then under construction, including an overhead glass covered dance floor* "Super Zepp To Have All Luxuries Of A Liner.
The modern Zeppelin company* The Hindenburg at Navy Lakehurst Historical Society* "The Air Liners Of The Future.