| − | *''Bernard Schuster and Joseph Katz: KGB Master Spies in the United States'', E.M. Hyde, International Journal of Intelligence and Counterintelligence, Volume 12, Number 1, 1 January 1999 , pp. 35-57(23). [http://www.ingentaconnect.com/content/routledg/ujic/1999/00000012/00000001/art00003;jsessionid=3qunhlrge1vqk.alice?format=print] | + | *''Bernard Schuster and Joseph Katz: KGB Master Spies in the United States'', E.M. Hyde, International Journal of Intelligence and Counterintelligence, Volume 12, Number 1, 1 January 1999 , pp. 35–57(23). [http://www.ingentaconnect.com/content/routledg/ujic/1999/00000012/00000001/art00003;jsessionid=3qunhlrge1vqk.alice?format=print] |
| | *[http://www.nsa.gov/venona/releases/13_Mar_1945_R3_m3_p1.gif 227 Moscow to New York 13 March 1945, p.1] | | *[http://www.nsa.gov/venona/releases/13_Mar_1945_R3_m3_p1.gif 227 Moscow to New York 13 March 1945, p.1] |
| | *[http://www.nsa.gov/venona/releases/13_Mar_1945_R3_m3_p2.gif 227 Moscow to New York 13 March 1945, p.2] | | *[http://www.nsa.gov/venona/releases/13_Mar_1945_R3_m3_p2.gif 227 Moscow to New York 13 March 1945, p.2] |