Fig. 2. Unknown Royal Air Force Official Photographer, Photograph showing tracers from German anti-aircraft gun fire (flak) vividly depicted in a vertical aerial photograph taken over the Port Militaire, Brest, France, during
Harry Mason en uniforme militaire, [vers 1914-1917]
Innovation dans l'armement par les soldats - Histoire analysée en images et œuvres d'art | https://histoire-image.org/
DFHM - Cérémonie militaire | Cérémonie de ravivage de la fla… | Flickr
File:798px-French soldier early uniform WWI(1).JPG - Wikimedia Commons
Princeton University Poster Collection | Smithsonian Institution