Playfair cipher (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Playfair cipher" in English language version.

refsWebsite

Global rank English rank

6^th place

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2books.google.com

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2web.archive.org

1^st place

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7,043^rd place

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2^nd place

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1listenercrossword.com

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appstate.edu

Klima, Rick (2018). "Secret Codes Through World War II" (PDF). Appalachian State University, Dr. Rick Klima. Archived from the original (PDF) on 2017-10-13. Retrieved 2018-01-09.

archive.org

Gaines 1956, p. 201 Gaines, Helen Fouché (1956) [1939], Cryptanalysis / a study of ciphers and their solutions, Dover, ISBN 0-486-20097-3
Gaines 1956, p. 201 Gaines, Helen Fouché (1956) [1939], Cryptanalysis / a study of ciphers and their solutions, Dover, ISBN 0-486-20097-3
Gaines 1956, pp. 198–207 Gaines, Helen Fouché (1956) [1939], Cryptanalysis / a study of ciphers and their solutions, Dover, ISBN 0-486-20097-3

books.google.com

The Codebreakers (1996) David Kahn, Scribner Books from Simon & Schuster
Reid, Thomas Wemyss (1899). Memoirs and Correspondence of Lyon Playfair: First Lord Playfair of St. Andrews ... Harper & Brothers. pp. 158–159.

doi.org

Currer-Briggs, Noel (1987). "Some of ultra's poor relations in Algeria, Tunisia, Sicily and Italy". Intelligence and National Security. 2 (2): 274–290. doi:10.1080/02684528708431890.

gcsb.govt.nz

"The History of Information Assurance (IA)". Government Communications Security Bureau. New Zealand Government. Archived from the original on 2011-11-12. Retrieved 2011-12-24.

listenercrossword.com

Listener crossword database

nku.edu

Christensen, Chris (2006). "Polygraphic Ciphers" (PDF). Northern Kentucky University, Chris Christensen. Retrieved January 9, 2018.

nsa.gov

Friedman, William (June 1942). American Army Field Codes In the American Expeditionary Forces During The First World War (PDF). U.S. War Department. p. 4.

rnzncomms.org

"A History of Communications Security in New Zealand By Eric Mogon", Chapter 8

web.archive.org

Klima, Rick (2018). "Secret Codes Through World War II" (PDF). Appalachian State University, Dr. Rick Klima. Archived from the original (PDF) on 2017-10-13. Retrieved 2018-01-09.
"The History of Information Assurance (IA)". Government Communications Security Bureau. New Zealand Government. Archived from the original on 2011-11-12. Retrieved 2011-12-24.