בידספיריט | The World's Aeroplanes and Airships.
The World's Aeroplanes and Airships. by G. Gibbard Jackson. - Sampson Low, Marston & Co., London, c.1930's. 244 pages + 12 pages of prelims and 77 half tone photo illustrations and 5 full colour plates with an photo illustrated 16 page catalogue at rear.