The Soviet Origins of Helmut Kohl's 10 Points
http://www.gwu.edu/~nsarchiv/NSAEBB/NSAEBB296/index.htm
Offers a selection of seven declassified documents on phone conversations, memos, and telegrams exchanged by U.S., German, Russian, and British leaders on the fall of the Berlin Wall and plans for German unification. From the National Security Archive.
