Redigerer Room 40 (avsnitt)

== Eksterne lenker ==
* [https://web.archive.org/web/20120128090628/http://germannavalwarfare.info/ German Naval Warfare - Room 40 Documents]
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* [http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FCLKE The Papers of William Clarke] {{Wayback|url=http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FCLKE |date=20170212055042 }}, who worked in Room 40, are held at [[Churchill Archives Centre]] in Cambridge and are accessible to the public.
* [http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FDENN The Papers of Alexander Denniston] {{Wayback|url=http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FDENN |date=20171018070354 }}, second in command of Room 40, are also held at [[Churchill Archives Centre]].
* [http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FHALL The Papers of William Reginald Hall] {{Wayback|url=http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FHALL |date=20160328032957 }}, joint founder of Room 40, are also held at [[Churchill Archives Centre]].
* [https://web.archive.org/web/20181015003000/http://germannavalwarfare.info/indexbr.htm Original Documents from Room 40]: LUSITANIA case; Naval Battle of Jutland/Skagerrak; The Zimmermann/Mexico Telegram; German Submarine Warfare and Room 40 Intelligence in general; PhotoCopies from [[The National Archives (United Kingdom)|The National Archives]], Kew, Richmond, UK.

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