geïllustreerde albums Bommenwerpers, 1914-1939 / door Bryan Cooper en John Batchelor ; [vert. uit het Engels] Bombers 1914-1939 Bommenwerpers 1914-1939 Bombers 1939-1945 story of the bomber, 1914-1945 / [by] Bryan Cooper ; illustrated by John Batchelor history of the second world war. campaign book buccaneers / Bryan Cooper
