This expanded and revised edition of the bibliography originally compiled for the United States Air Force Historical Research Agency is the most comprehensive listing of unofficial published histories of the United States Air Force and its antecedents. It covers the air force from its genesis as the US Army Signal Corps, Aviation Section to the present. These titles are a rich source of information for anyone interested in the history of combat and peacetime operations of the Air Force. Researchers and libraries will find the organization of titles easy to use. Entries include: private sponsored or "unofficial" histories often written by the unit historian personal narratives purely photographic or pictorial histories route of battle maps published or printed rosters officially produced titles This is an indispensable resource for military aviation historians, libraries with strong collections in military and air force history, and unit history collectors. It is also of special interest to genealogists as many unit histories contain rosters and photos of personnel.