Came across more manuals that I thought some people on the board might like. Don't know if this was the right forum, but here they are anyway.

TM 1-219 Basic Photography (Military manual - July 1, 1941)
https://archive.org/details/TM1-219

A Manual of Photography: Founded on Hardwich's Photographic Chemistry (1873)
https://archive.org/details/amanualphotogra00dawsgoog

Graflex C-6 Manual (military speed graphic)
https://archive.org/details/Ground_C...tions_26_March

Camera Craft Magazine - all years from 1902 to 1944
https://archive.org/search.php?query=camera%20craft

Wratten Light Filters
https://archive.org/details/WrattenLightFilters

The British Journal Photographic Almanac 1954
https://archive.org/details/BjpAlmanac1954

The fundamentals of photography (1920)
https://archive.org/details/fundamentalsofph00mees

Voigtländer and I in pursuit of shadow catching; a story of fifty-two years' companionship with a camera (1902)
https://archive.org/details/voigtlnderandii00rydegoog

Photographic Possibilities
https://archive.org/details/Photographic_Possibilities

The focus (1925)
https://archive.org/details/focus111935131937sanf

Press photography (1936)
https://archive.org/details/pressphotography00kinkrich

Photo-aquatint, or, The gum-bichromate process : a practical treatise on a new process of printing in pigment especially suitable for pictorial workers (1901)
https://archive.org/details/photoaquatintorg00maskuoft

Combat Photography (March 1945)
https://archive.org/details/CombatPhotography

History of color photography (1945)
https://archive.org/details/historyofcolorph00frierich