Horne, Alistair (2012), "Bravest of the Brave," The Spectator,[1][Enllaç no actiu], accessed 23 Jan 2020
thedailybeast.com
Garmen, Emma, "World War II's Most Glamorous Spy," [2], accessed 3 Jan 2020
thegazette.co.uk
The London Gazette: no. 37887. p. 867. 21 February 1947. "Gizycka, Krystyna (known as Christine Granville); Poland; Crown Service; c/o General Headquarters, Middle East, Cairo. 17 December 1946."