- British Special Operations Executive (SOE): Tools and Gadgets Gallery: http://www.bbc.co.uk/history/worldwars/wwtwo/soe_gallery.shtml
- De Jongh, Andrée, leader of the Comet Line: http://www.telegraph.co.uk/news/obituaries/1566506/Andree-de-Jongh.html
- Dutch Agents 1940-1945 by Frans Kluiters: http://www.nisa-intelligence.nl/PDF-bestanden/KluitersDAGversie2.pdf
- Guérisse, Albert (“Pat O’Leary): http://artsweb.bham.ac.uk/vichy/o%27leary.htm
- Maloubier, Bob, SOE Agent: http://www.telegraph.co.uk/news/obituaries/11552650/Bob-Maloubier-SOE-agent-obituary.html. For an interview with Maloubier in French, see: http://www.dailymotion.com/video/xx4nug_l-espion-vous-salue-bien_webcam.
- Vandermeersche, Gaston: http://www.jsonline.com/news/obituaries/106740543.html
- Villiers, Marie-José, Belgian Resistance agent obituary: http://www.independent.co.uk/news/people/mariejos-villiers-belgian-resistance-agent-who-escaped-the-close-attentions-of-the-gestapo-and-transmitted-valuable-information-to-britain-10062713.html?origin=internalSearch
- WW2 People’s War, an archive of World War Two Memories, written by the public, gathered by the BBC. The following link has to do with special operations and intelligence: http://www.bbc.co.uk/history/ww2peopleswar/categories/c1176/
- Weggum Webpages: http://www.weggum.com/