5,000 miles in a balloon by Hedges Butler. Frank,

A Wrack Behind by Lord Kings Norton (  Cox. Harold Roxbee ,)

Aerial Navigation of Today by Turner. Charles C.,

Aeronautics Lighter-than-air Craft by Davy. M.J.B.,

Airship R.100 by The Airship Guarantee Company Limited

Airship Saga by Lord Ventry &  Kolesnik, Eugene M.

Airship by Abbott. Patrick,

Airships for the Future by White. William J.,

Airships by Abbott. Patrick,

Airshipwreck by Deighton. Len, & Schwartzman. Arnold,

All About Airships by Simmonds. Ralph,

André Heller Himmelszeichen Flying Sculptures by Kesting. Jürgen,

Andrée and his balloon by Lachambre. Henri, and Machuron. Alexis,

Anything is Possible by Dickinson. Leo,

Around the world in 20 days by Piccard. Bertrand, and Jones. Brian,

Balloon Posts World Catalogue 1783 - 1968 by Boesman. Drs. J,

Balloon Tytler by Fergusson. Sir James,

Ballooning as a Sport by Major Baden-Powell.

Ballooning From Basics to Record Breaking by Christopher. John,

Ballooning Handbook by Cameron. Don,