Marine-Baurat Engberding Luftschiff und Luftschiffahrt, frontispiece of Graf Zeppelin, Berlin 1926, original cloth covered boards; and three colour postcards of the interior of LZ 129 'Hindenburg'; and a collection of correspondence comprising a letter from German P.O.W Graffunder (No.44100F) from P.O.W. camp 'Dixon's Camp F, Paignton Devon dated 12-4-40, with Wehrmacht censors' label; two Field Post letter cards; two letters expressing condolences on the death of soldiers killed on the Russian front, two letters from the President of the K.D.D.K.; a first flight cover 'Dallas - Galveston' 6-2-28; a cover with British Censor's stamp; a U.S. cover with German Censor's label; and other items