General Interest (Russian cameras)

Communist Cameras by Nathan Dayton
Russian Camera Site by Alfred Klomp
Great article about Kiev Rangefinders by Keith Berry

Kievaholic web site
FED abd Zorki Survival Site by Jay Javier

Instruction Manuals

Russian Camera Manulas in English (FED, Zorki)
Kiev Rangfinder On-Line Manual
FED-1 and Zorki-1 Survival Site by Jay Javier

Discussion Groups

USSRPhoto Web Site
Internet Directory of Camera Collectors (IDCC)

Manufacturer Sites (mostly history and archives)

KMZ Zenit (in Russian)
LZOS (Lytkarino)
Zavod Arsenal (Kiev)

FED (Kharkov)