||This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (February 2013)|
Maria Wicher was married to Professor Enos Wicher and was the mother of Flora Wovschin. The family were all spies for the Soviet Union during the 1940s. Maria had previously been married to Dr. William A. Wovschin, Flora's father. Her code name in Soviet intelligence and in the Venona project is "Dasha".
- Haynes, John Earl & Klehr, Harvey (2000). Venona: Decoding Soviet Espionage in America. Yale University Press. ISBN 0-300-08462-5.
- Haynes, John Earl & Klehr, Harvey (2006). Early Cold War Spies: The Espionage Trials that Shaped American Politics. Cambridge University Press. ISBN 0-521-85738-4.
- Anhalt, Diana (2001). A Gathering of Fugitives: American Political Expatriates in Mexico 1948-1965. Archer Books. ISBN 1-931122-03-2.