Work Cited
https://people.howstuffworks.com/spy.htm
https://www.ducksters.com/history/world_war_ii/spies_and_secret_agents_of_ww2.php
https://www.cnn.com/2016/07/20/us/declassified-spycraft-espionage-gear-techniques/index.html
https://www.ciaagentedu.org/
https://www.history.com/news/history-lists/6-people-you-didnt-know-were-wwii-spies
https://www.nps.gov/subjects/worldwarii/spies.htm
https://www.ducksters.com/history/world_war_ii/spies_and_secret_agents_of_ww2.php
http://www.topsecretwriters.com/2010/10/double-cross-how-british-military-intelligence-influenced-world-war-ii/
http://www.thefinertimes.com/Spy-s/jobs-of-spies-in-world-war-ii.html
https://www.ducksters.com/history/world_war_ii/spies_and_secret_agents_of_ww2.php
https://www.cnn.com/2016/07/20/us/declassified-spycraft-espionage-gear-techniques/index.html
https://www.ciaagentedu.org/
https://www.history.com/news/history-lists/6-people-you-didnt-know-were-wwii-spies
https://www.nps.gov/subjects/worldwarii/spies.htm
https://www.ducksters.com/history/world_war_ii/spies_and_secret_agents_of_ww2.php
http://www.topsecretwriters.com/2010/10/double-cross-how-british-military-intelligence-influenced-world-war-ii/
http://www.thefinertimes.com/Spy-s/jobs-of-spies-in-world-war-ii.html