Here are entered works on photography in war for the purposes of historical documentation. Works on the military applications of photography such as mapping, reconnaissance, training, etc., are entered under Photography, Military. --subdivision Photography under individual wars, e.g. World War, 1939-1945--Photography
Here are entered works on combining in a single photographic composition elements from various sources by techniques such as taking a number of exposures on the same negative, or superimposing or juxtaposing negatives to form a composite print, as well as collections of such photographs. Works on collage consisting primarily of photographs or reproductions of photographs from magazines, newspapers, etc., are entered under Photocollage.
Here are entered works on photography applied for purposes of evidence, identification, etc. Works on photography of deceased persons taken as part of the mourning and memorialization process as well as collections of such photographs are entered under Postmortem photography.