Browse and search through thousands of declassified primary-source materials collected by The National Security Archive. BRIEFING BOOKS: https://nsarchive.gwu.edu/postings/briefing-books (found under the "POSTINGS" tab) put the documents hosted on the NSArchive website into historical context.

DC-based nonprofit that produces collections of FOIA-released US government documents has a Russian section that includes about 18,000 declassified Russian and Eurasian (including Georgian) documents. Found under the коллекции (Collections) tab.