By A Mystery Man Writer
Black Widow: The Disturbing Real Spy History Inspirations
6 Traitorous Cold War Spies
List of Firearms, James Bond Wiki
Soviet Spy Scandal
The 13th Department: The KGB's Top-Secret Assassination Unit
FRONTLINE, Who Was Lee Harvey Oswald?, Season 2013, Episode 18
The Spy Who Came In from the Cold by John le Carré
Walther LP53 – the James Bond airgun: Part 1, Blog
The Devil's Chessboard: Allen Dulles, the CIA, and the Rise of America's Secret Government by David Talbot