Pictorial history of the RAF / John William Ransom Taylor : Vol. 2: 1939-1945 Strategy & tactics of war / Ned Wilmott ; [edited by Will Fowler] Kampfgeschwader Edelweiss :The history of a German bomber unit / Wolfgang Dierich : [transl. by Richard Simpkins] men-at-arms series Luftwaffe airborne and field units / text by Martin Windrow ; colour plates by Michael Roffe