Source
- Vassiliev, Alexander (2003), Alexander Vassiliev’s Notes on Anatoly Gorsky’s December 1948 Memo on Compromised American Sources and Networks, http://www.wilsoncenter.org/event/alexander-vassilievs-notebooks-and-the-documentation-soviet-intelligence-operations-the-unit-0, retrieved 2012-04-21
- FBI Silvermaster file
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