[[Allen Weinstein]] and Alexander Vassiliev in ''Haunted Wood'', a book written from an examination of KGB Archives in Moscow, report the KGB credits the Perlo group members with having sent, among other items, the following 1945 [[U.S. Government]] documents to Moscow:
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[[Allen Weinstein]] and [[Alexander Vassiliev]] in ''Haunted Wood'', a book written from an examination of KGB Archives in Moscow, report the KGB credits the Perlo group members with having sent, among other items, the following 1945 [[U.S. Government]] documents to Moscow: