Lydia Stahl was an American assistant to Alfred Tilton, an Illegal Soviet Military Intelligence (GRU) Officer in the United States in the late 1920s.
- Golden Age in Soviet Espionage By Josh Lerner Air Intelligence Agency
- John (Silas) Reed (1887-1920)
- Inserted statement of Nicholas Dozenberg, hearings 8 November 1949, U.S. Congress, House of Representatives, Committee on Un-American Activities, 81st Cong., 1st and 2d session.
- John Earl Haynes and Harvey Klehr, Venona: Decoding Soviet Espionage in America, Yale University Press (1999).