• Cold War International History Project
• H-Russia
• Hoover Soviet Archives Research Project
• Melbourne Gateway to Research on Russian History
• Numbered Factories and Other Establishments of the Soviet Defence Industry
• Open Society Archive :: Forced Labour Camps
• Rodionov's Chronology of Soviet Aviation and the Aircraft Industry
• Sher's Russian Index :: History & Social Sciences
• Stalin-Era Research and Archives Project
• US Library of Congress :: Revelations from Soviet Archives
• Yale University :: Russian Archive Project
• Years of Hunger :: Supplementary Tables