Venona
Menaker, whose code names as deciphered by Arlington Hall cryptographers is BOB and CZECH, is referenced in the following Venona project decryptions:
694 KGB New York to Moscow, 15 May 1943; 1044 KGB New York to Moscow, 2 July 1943; 1185 KGB New York to Moscow, 21 July 1943; 1031 KGB New York to Moscow, 24 July 1944; 1143–1144 KGB New York to Moscow, 10 August 1944; 1313 KGB New York to Moscow, 13 September 1944; 1337 KGB New York to Moscow, 19 September 1944; 1430 KGB New York to Moscow, 10 October 1944; 1470 KGB New York to Moscow, 17 October 1944; 1512 KGB New York to Moscow, 24 October 1944; 1522 KGB New York to Moscow, 27 October 1944; 1613 KGB New York to Moscow, 18 November 1944; 1637 KGB New York to Moscow, 21 November 1944; 1716 KGB New York to Moscow, 5 December 1944; 77 KGB New York to Moscow, 17 January 1945; 55 KGB Moscow to New York, 10 January 1943.
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