Further Reading

Bryden, John, Best-Kept Secret: Canadian Secret Intelligence in the Second World War (Toronto: Lester Publishing, 1993)

Jensen, Kurt, Cautious Beginnings: Canadian Foreign Intelligence, 1939-51 (Vancouver: UBC Press, 2008)

Pepall, Diana, Canada’s Bletchley Park: The Examination Unit in Ottawa’s Sandy Hill, 1941-1945 (Ottawa: The Historical Society of Ottawa, 2023 Edition)

Robson, Maria A., “The third eye: Canada’s development of autonomous signals intelligence to contribute to Five Eyes intelligence sharing,” Intelligence and National Security 35 (2020), 954-969.

Sayle, Timothy Andrews, “Maintaining Innocence: The Curious Case of Wartime Intelligence History” in Dennis Molinaro (ed.), The Bridge in the Parks: The Five Eyes and Cold War Counter-intelligence (Toronto: University of Toronto Press, 2021), 218-237.

Wark, Wesley, “Cryptographic Innocence: The Origins of Signals Intelligence in Canada in the Second World War,” Journal of Contemporary History 22: 4 (October 1987), 639-665.

Wilford, Timothy, Canada’s Road to the Pacific War: Intelligence, Strategy and the Far East Crisis (Vancouver: UBC Press, 2011)