Nadia Morris Osipovich
Osipovich was an asset of the San Francisco KGB. Nadia Morris Osipovich's code name in Soviet intelligence, and as decrypted in the Venona project is "Watchdog".
Nadia Morris Osipovich is referenced in the following Venona decryption:
- 151 KGB San Francisco to Moscow, 1944 March 30.
- John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America, Yale University Press (1999).