Generaÿ± brygady pilot Witold A. Urbanowicz : legenda polskich skrzydeÿ± / Wojciech Krajewski ; Muzeum Wojska Polskiego war in the air, 1939-1945 : an anthology of personal experience / sel. and ed. by Gavin Lyall Bomber Command war diaries : an operational reference book, 1939-1945 / Martin Middlebrook & Chris Everitt world war 2 fact files : [aircraft] RAF fighters / [by] William Green and Gordon Swanborough famous airmen series American aces of World War II and Korea / by William N. Hess. Cover drawing: Richard Groh