The remaining part of the documents in Poland were found by Soviet troops in February 1945 in the area of the railway station Pszczyna and returned to Smolensk.
A group of American Sovietologists studied the inventory and some original documents and concluded that they contained valuable information.
[3] The archival documents were also used in the writings of Richard Pipes on early Soviet history and Robert Conquest in his book The Great Terror.
An account revealed that the acceptance of the offer was viewed by the Soviet Ministry of Foreign Affairs as impractical because such a move was tantamount to an official recognition of the authenticity of the documents.
[2] Only in 1991 did the Russian authorities acknowledge and publicly announce that the U.S. has in its possession a genuine archive, and that Russia intends to seek its return.