Anthony Aldebol - Army Air Force and United States Air Force Decorations, Medals, Ribbons, Badges and Insignia Medals of America Press | 1999 | ISBN: 1884452043 | English | 126 pages | PDF | 85.09 MB
Brian L. Davis - Uniforms and Insignia of the Luftwaffe Volume 1: 1933-1940 Arms & Armour | 1999 | ISBN: 1854094971 | English | 257 pages | PDF | 138.92 MB
D. S. V. Fosten, R. J. Marrion - Waffen-SS: Its Uniforms, Insignia and Equipment 1938-1945 Almark Publications | 1972 | ISBN: 085524030X. 0855240318 | English | 114 pages | PDF | 47.63 MB
Brian L. Davis - Uniforms and Insignia of the Luftwaffe Volume 2: 1940-1945 Arms & Armour | 1999 | ISBN: 185409498X | English | 321 pages | PDF | 190.16 MB
Guido Rosignoli - Illustrated Encyclopedia of Military Insignia of the 20th Century Chartwell Books | 1986 | ISBN: 1555210856 | English | 231 pages | PDF | 152.06 MB