The Mystery of the Sonora Aero Club

http://observatory.designobserver.com/feature/dreams-of-the-sonora-aero-club/37754/

http://www.theatlantic.com/technology/archive/2013/03/charles-a-a-dellschau-dreams-of-flying-the-amazing-story-of-an-airship-club-that-might-never-have-existed/274170/