Editing William F. Friedman (section)

===Bibliography===
* Clark, Ronald W. (1977). ''The Man Who Broke Purple: the Life of Colonel William F. Friedman, Who Deciphered the Japanese Code in World War II''. Boston: Little Brown & Co. {{ISBN|978-0316145954}}. {{OCLC|3072401}}.
* Friedman, William F. (1984). [[:File:Friedman Lectures on Cryptology.pdf|Six Lectures on Cryptology]]. U.S. National Security Agency, 1965, declassified 1977.
* [[James Gannon (author)|Gannon, James]] (2001). ''Stealing Secrets, Telling Lies: How Spies and Codebreakers Helped Shape the Twentieth Century''. Washington, D.C.: Brassey's. <!-- especially chapter 6: Who Broke [[PURPLE|Purple]]? (pp. 94-106). --> {{ISBN|978-1574883671}}. {{OCLC|45637120}}.
* Kahn, David (1966). ''The Codebreakers: the Story of Secret Writing''. London: Weidenfeld and Nicolson. {{OCLC|59019141}}.
* [[Frank Rowlett|Rowlett, Frank B.]] (1999). ''The Story of Magic: Memoirs of an American Cryptologic Pioneer''. Laguna Hills, Calif.: Aegean Park Press. {{ISBN|978-0894122736}}. {{OCLC|248782802}}.
* Jensen, Cora J. (apparently William Friedman) (Oct. 28, 1920). [https://archive.org/stream/5205536_46_4#page/n509/mode/1up "'Saying It' in Cipher."] ''The Florists’ Review'', vol. XLVI, no. 1196. p.&nbsp;17.
* ''Methods for the Reconstruction of Primary Alphabets'', with Elizebeth S. Friedman. [[Riverbank Publications|Riverbank Publication]], no. 21 (1918). In: [https://www.marshallfoundation.org/library/wp-content/uploads/sites/16/2014/06/Methods_II_watermark.pdf ''Methods for the Solution of Ciphers, Publications 15-22 ''.] Rufus A. Long Digital Library of Cryptography, [[George C. Marshall Library]]. {{rp|pdf p. 279}}
* {{cite book|last1=Friedman|first1=William F.|last2=Friedman|first2=Elizebeth S.|title=The Shakespearean Ciphers Examined: An Analysis of Cryptographic Systems Used As Evidence That Some Author Other Than William Shakespeare Wrote the Plays Commonly Attributed to Him|date=1957|publisher=[[Cambridge University Press]]|location=Cambridge|language=en|oclc=718233|url= https://archive.org/details/shakespeareancip00frie|author2-link=Elizebeth Smith Friedman}}
For references to other material, see [https://web.archive.org/web/20211106201729/http://marshallfoundation.org/library/wp-content/uploads/sites/16/2014/09/Friedman_Collection_Guide_September_2014.pdf ''The Friedman Collection: An Analytical Guide''.]