"Mondvor". The most complete source of information on Soviet orders and medals. Russian Language.

Soviet-screwbacks.com. Non-commercial reference site on types and variations of some Soviet screw back orders. Unique information. English and Russian versions.

Russian-awards.com. Commercial site of well-known collector Alex Nechiporuk. Constantly updated inventory of Russian Soviet awards.

Sovietauthentications.com. Soviet Authentications is an independent research service dedicated to studying and evaluating Soviet orders, medals and badges.