Kryptos (English Wikipedia)

Malek, Jaromir (May 15, 2006). Hutchison, Sue; Miles, Elizabeth; Magee, Diana; Rawlinson, Kent; Allen, Lindsay; Hobby, Alison; Malek, Jaromir (eds.). "Tutankhamun: Anatomy of an Excavation". ashmolean.org. Designed by Jonathan Moffett. Griffith Institute. Archived from the original on May 18, 2007.

baltimoresun.com (Global: 588^th place; English: 292^nd place)

Bowman, Tom (March 17, 2000). "Unlocking the secret of 'Kryptos'". The Baltimore Sun. Archived from the original on February 9, 2014. Retrieved December 11, 2011.

books.google.com (Global: 3^rd place; English: 3^rd place)

Carter, Howard (1923). The Tomb of Tutankhamen (1st ed.). London: Little Books, Limited (published October 19, 2016). The finding of the tomb. ISBN 9781906251109. OCLC 174131378. {{cite book}}: ISBN / Date incompatibility (help)

cia.gov (Global: 133^rd place; English: 275^th place)

"Kryptos sculpture". Central Intelligence Agency. Intellipedia. July 18, 2017. Freedom of Information Act Electronic Reading Room. Archived from the original on January 7, 2024. Retrieved January 7, 2024.
Stein, David D. (July 23, 2018). "Cracking the Courtyard Crypto". CIA. Freedom of Information Act Electronic Reading Room. Archived from the original on January 7, 2024. Retrieved January 7, 2024.

cnn.com (Global: 36^th place; English: 26^th place)

Champagne, Christine; Beebe, Drew (July 25, 2020). "This sculpture at CIA headquarters holds one of the world's most famous unsolved mysteries". edition.cnn.com. CNN. Archived from the original on March 14, 2024. Retrieved July 25, 2020.

doi.org (Global: 2^nd place; English: 2^nd place)

dx.doi.org

Bauer, Craig; Link, Gregory; Molle, Dante (April 27, 2016). "James Sanborn's Kryptos and the matrix encryption conjecture". Cryptologia. 40 (6): 548. doi:10.1080/01611194.2016.1141556. ISSN 0161-1194.

doi.org

Bauer, Craig; Link, Gregory; Molle, Dante (April 27, 2016). "James Sanborn's Kryptos and the matrix encryption conjecture". Cryptologia. 40 (6): 548. doi:10.1080/01611194.2016.1141556. ISSN 0161-1194.

edtimes.in (Global: low place; English: low place)

Nair, Nandana (September 20, 2021). "Kryptos– The Mystery That Not Even The Smartest People Have Been Able To Solve For 30 Years". Retrieved June 1, 2024.

elonka.com (Global: low place; English: low place)

Sources might write "INTERPRETATIT" as "INTERPRETATIU" or "INTERPRETATIO[N]" due to the presumed dash that is consistent with O in International Morse code. (anonymous) (May 17, 2009). "Kryptos – Beyond K4". Photos by Jim Gillgoly. Morse Code. Archived from the original on December 26, 2015. Retrieved May 6, 2024. And the E after "POSITION" is sometimes not present. Wilson. "Morse Code" (TXT). Contributions by Eric Hall. Archived from the original on May 13, 2023.
"FAQ About Kryptos". elonka.com. December 14, 2003. Q: How much did Kryptos cost?. Archived from the original on April 21, 2024. Retrieved November 12, 2011.
Lindsly, Corey (June 16, 1999). "fx-discuss: FC: Cypherpunk breaks CIA's crypto code in 1990 statue (fwd)". elonka.com. Archived from the original on September 5, 2023. Retrieved November 12, 2011.
Sanborn, Jim (August 14, 2025). "Open letter by sculptor Jim Sanborn, August 2025". Elonka. Retrieved August 22, 2025.

gwu.edu (Global: 1,486^th place; English: 945^th place)

Stein, David D. (1999). "The Puzzle at CIA Headquarters: Cracking the Courtyard Crypto" (PDF). Studies in Intelligence. 43 (1).

kryptosfan.wordpress.com (Global: low place; English: low place)

Sources might write "INTERPRETATIT" as "INTERPRETATIU" or "INTERPRETATIO[N]" due to the presumed dash that is consistent with O in International Morse code. (anonymous) (May 17, 2009). "Kryptos – Beyond K4". Photos by Jim Gillgoly. Morse Code. Archived from the original on December 26, 2015. Retrieved May 6, 2024. And the E after "POSITION" is sometimes not present. Wilson. "Morse Code" (TXT). Contributions by Eric Hall. Archived from the original on May 13, 2023.

loc.gov (Global: 63^rd place; English: 47^th place)

lccn.loc.gov

Burstein, Daniel; Keijzer, Arne de (December 22, 2009). Secrets of The Lost Symbol (1st ed.). New York: William Morrow. ISBN 978-0061964954. LCCN 2011282732. OCLC 422763820. OL 25132741M.

newspapers.com (Global: 24^th place; English: 12^th place)

go.newspapers.com

Bessonette, Colin (November 16, 1998). "Q&A on the News". The Atlanta Journal-Constitution. p. A2. A CIA analyst working on his own time has solved 'the lion's share' of it, but it hasn't been completely decoded, CIA spokesman Mark Mansfield told Q&A. He said the best way to describe the sculpture is to say it incorporates natural building materials native to America and includes an encoded copper screen. When and if someone completely solves the message, a decision will be made about releasing it to the public, 'but we're not at that point yet,' Mansfield said.

npr.org (Global: 114^th place; English: 75^th place)

(anonymous) (November 22, 2010). "'Kryptos' Sculptor Drops New Clue In 20-Year Mystery". National Public Radio. Archived from the original on February 24, 2024. Retrieved November 12, 2011.

nsa.gov (Global: 7,332^nd place; English: 4,773^rd place)

"The CIA kryptos sculpture: A summary of previous work and new revelations in working toward its complete solution" (PDF). Archived from the original (PDF) on May 14, 2022.

nytimes.com (Global: 7^th place; English: 7^th place)

Schwartz, John; Corum, Jonathan (January 29, 2020). "This Sculpture Holds a Decades-Old C.I.A. Mystery. And Now, Another Clue". The New York Times. Archived from the original on May 4, 2024.
Markoff, John (June 16, 1999). "CIA's Artistic Enigma Reveals All but Final Clues". New York Times. Archived from the original on October 20, 2023. Retrieved December 11, 2011.
"Original Decoding Charts for 'Kryptos' (Published 2010)". November 20, 2010. Retrieved October 18, 2025.
"You Can Buy One of the C.I.A.'s Greatest Mysteries at an Auction House". August 14, 2025. Retrieved October 18, 2025.
Schwartz, John (November 20, 2010). "Artist releases clue to Kryptos". The New York Times. Archived from the original on April 19, 2023. Retrieved November 12, 2011.
"A New Clue to 'Kryptos'". The New York Times. Photos by Drew Angerer. November 20, 2014. Archived from the original on March 14, 2024. Retrieved November 21, 2014.{{cite web}}: CS1 maint: others (link)
Schwartz, John (November 20, 2014). "Sculptor Offers Another Clue in 24-Year-Old Mystery at C.I.A.". The New York Times. Archived from the original on February 24, 2024. Retrieved November 22, 2014.
"A C.I.A. Secret Kept for 35 Years is Found in the Smithsonian's Vault". The New York Times. October 16, 2025.

openlibrary.org (Global: 185^th place; English: 154^th place)

Burstein, Daniel; Keijzer, Arne de (December 22, 2009). Secrets of The Lost Symbol (1st ed.). New York: William Morrow. ISBN 978-0061964954. LCCN 2011282732. OCLC 422763820. OL 25132741M.

post-gazette.com (Global: 819^th place; English: 433^rd place)

McKinnon, John D. (May 27, 2005). "CIA sculpture 'kryptos' draws mystery lovers". Pittsburgh Post-Gazette. Archived from the original on February 17, 2007. Retrieved December 11, 2011.

rrauction.com (Global: low place; English: low place)

"The Complete Secrets of Kryptos: Jim Sanborn's Private Archive". RR Auction. October 16, 2025. Retrieved November 4, 2025.
"Howard Carter Signed Book Set – The Tomb of Tutankhamen". RR Auction. October 16, 2025. Retrieved November 4, 2025.
"The Complete Secrets of Kryptos: Jim Sanborn's Private Archive". RR Auction. October 16, 2025. Retrieved November 4, 2025.
"Howard Carter Signed Book Set – The Tomb of Tutankhamen". RR Auction. October 16, 2025. Retrieved November 4, 2025.

scientificamerican.com (Global: 1,110^th place; English: 817^th place)

Vergano, Dan. "Artist Releases Final Clues to Solve CIA Kryptos Puzzle". Scientific American. Retrieved November 14, 2025.
Basilio, Humberto. "After 35 Years, a Solution to the CIA's Kryptos Puzzle Has Been Found". Scientific American. Retrieved October 18, 2025.

si.edu (Global: 256^th place; English: 197^th place)

aaa.si.edu

"A Finding Aid to the Jim Sanborn papers, circa 1950–2023 | Archives of American Art, Smithsonian Institution". www.aaa.si.edu. Retrieved October 19, 2025.

sites.google.com (Global: 658^th place; English: 657^th place)

"From a radio interview on BellCoreRadio, season 1, episode 32, Barcode Brothers". SarenaSix. Quoted from Elonka Dunin. October 11, 2005. Archived from the original on October 19, 2015. Retrieved November 12, 2011.{{cite web}}: CS1 maint: others (link)

slate.com (Global: 409^th place; English: 260^th place)

Sadowski, Jathan (July 11, 2013). "NSA Cracked Kryptos Before the CIA. What Other Mysteries Has It Solved?". Slate. Archived from the original on February 4, 2024.

substack.com (Global: 1,915^th place; English: 1,028^th place)

zonamotel.substack.com

Motel, Zona; Maren, Mesha; Escoria, Juliet (October 17, 2025). "INTERVIEW: Kryptos K4 Uncovered- Jarett Kobek and Richard Byrne on discovering the answer to a decades-long mystery". Zona Motel. Retrieved October 18, 2025.

theconversation.com (Global: 840^th place; English: 594^th place)

Bean, Richard (May 30, 2021). "Declassified Cold War code-breaking manual has lessons for solving 'impossible' puzzles". The Conversation. Archived from the original on May 8, 2024. Retrieved June 1, 2024.

thekryptosproject.com (Global: low place; English: low place)

Sanborn, Jim (December 15, 1989). "Project Explanation" (PDF). American Cryptogram Association (a courtesy message directed to "Agency Employers"). LVII: 8. Archived (PDF) from the original on August 27, 2016.
"K0 Solution". The Kryptos Project. Archived from the original on April 19, 2023. Retrieved May 5, 2024.

twitter.com (Global: 43^rd place; English: 43^rd place)

Schwartz, John [@@jswatz] (August 24, 2020). "KRYPTOS NEWS: Jim Sanborn, creator of the Kryptos sculpture, quietly released four new plaintext letters to the unsolved potion, K4. EAST, which goes just before the recently released NORTHEAST. Here's my story from January" (Tweet). Archived from the original on March 14, 2024. Retrieved May 5, 2024 – via Twitter.

washingtonpost.com (Global: 35^th place; English: 24^th place)

Ables, Kelsey (August 14, 2025). "The 'Kryptos' code has gone unsolved for 35 years. Now it's up for sale". The Washington Post. ISSN 0190-8286. Retrieved August 14, 2025.
Schwartz, John (July 19, 1999). "Cracking the Code of a CIA Sculpture". Washington Post. Archived from the original on June 16, 2016. Retrieved December 11, 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

Sources might write "INTERPRETATIT" as "INTERPRETATIU" or "INTERPRETATIO[N]" due to the presumed dash that is consistent with O in International Morse code. (anonymous) (May 17, 2009). "Kryptos – Beyond K4". Photos by Jim Gillgoly. Morse Code. Archived from the original on December 26, 2015. Retrieved May 6, 2024. And the E after "POSITION" is sometimes not present. Wilson. "Morse Code" (TXT). Contributions by Eric Hall. Archived from the original on May 13, 2023.
"Kryptos sculpture". Central Intelligence Agency. Intellipedia. July 18, 2017. Freedom of Information Act Electronic Reading Room. Archived from the original on January 7, 2024. Retrieved January 7, 2024.
Sanborn, Jim (December 15, 1989). "Project Explanation" (PDF). American Cryptogram Association (a courtesy message directed to "Agency Employers"). LVII: 8. Archived (PDF) from the original on August 27, 2016.
"FAQ About Kryptos". elonka.com. December 14, 2003. Q: How much did Kryptos cost?. Archived from the original on April 21, 2024. Retrieved November 12, 2011.
Zetter, Kim (April 20, 2006). "Typo Confounds Kryptos Sleuths". Wired. Archived from the original on November 6, 2018. Retrieved December 4, 2024.
Champagne, Christine; Beebe, Drew (July 25, 2020). "This sculpture at CIA headquarters holds one of the world's most famous unsolved mysteries". edition.cnn.com. CNN. Archived from the original on March 14, 2024. Retrieved July 25, 2020.
Bean, Richard (May 30, 2021). "Declassified Cold War code-breaking manual has lessons for solving 'impossible' puzzles". The Conversation. Archived from the original on May 8, 2024. Retrieved June 1, 2024.
Zetter, Kim (January 20, 2005). "Questions for Kryptos' Creator". Wired. ISSN 1059-1028. Archived from the original on April 24, 2023. Retrieved May 5, 2024.
Schwartz, John; Corum, Jonathan (January 29, 2020). "This Sculpture Holds a Decades-Old C.I.A. Mystery. And Now, Another Clue". The New York Times. Archived from the original on May 4, 2024.
Markoff, John (June 16, 1999). "CIA's Artistic Enigma Reveals All but Final Clues". New York Times. Archived from the original on October 20, 2023. Retrieved December 11, 2011.
Stein, David D. (July 23, 2018). "Cracking the Courtyard Crypto". CIA. Freedom of Information Act Electronic Reading Room. Archived from the original on January 7, 2024. Retrieved January 7, 2024.
Schwartz, John (July 19, 1999). "Cracking the Code of a CIA Sculpture". Washington Post. Archived from the original on June 16, 2016. Retrieved December 11, 2011.
Zetter, Kim (June 5, 2013). "CIA Releases Analyst's Fascinating Tale of Cracking the Kryptos Sculpture". Wired. Wired.com. Archived from the original on January 17, 2024. Retrieved June 5, 2013.
Bowman, Tom (March 17, 2000). "Unlocking the secret of 'Kryptos'". The Baltimore Sun. Archived from the original on February 9, 2014. Retrieved December 11, 2011.
Zetter, Kim (July 10, 2013). "Documents Reveal How the NSA Cracked the Kryptos Sculpture Years Before the CIA". Wired. Archived from the original on May 10, 2023. Retrieved April 10, 2020.
Sadowski, Jathan (July 11, 2013). "NSA Cracked Kryptos Before the CIA. What Other Mysteries Has It Solved?". Slate. Archived from the original on February 4, 2024.
"From a radio interview on BellCoreRadio, season 1, episode 32, Barcode Brothers". SarenaSix. Quoted from Elonka Dunin. October 11, 2005. Archived from the original on October 19, 2015. Retrieved November 12, 2011.{{cite web}}: CS1 maint: others (link)
Zetter, Kim (November 20, 2014). "Finally, a New Clue to Solve the CIA's Mysterious Kryptos Sculpture". Wired. Archived from the original on January 6, 2015. Retrieved November 25, 2014. in 2006, Sanborn realized he had also made an inadvertent error, a missing "x" that he mistakenly deleted from the end of a line in passage 2, a passage that was already solved.
Lindsly, Corey (June 16, 1999). "fx-discuss: FC: Cypherpunk breaks CIA's crypto code in 1990 statue (fwd)". elonka.com. Archived from the original on September 5, 2023. Retrieved November 12, 2011.
"K0 Solution". The Kryptos Project. Archived from the original on April 19, 2023. Retrieved May 5, 2024.
"The CIA kryptos sculpture: A summary of previous work and new revelations in working toward its complete solution" (PDF). Archived from the original (PDF) on May 14, 2022.
Malek, Jaromir (May 15, 2006). Hutchison, Sue; Miles, Elizabeth; Magee, Diana; Rawlinson, Kent; Allen, Lindsay; Hobby, Alison; Malek, Jaromir (eds.). "Tutankhamun: Anatomy of an Excavation". ashmolean.org. Designed by Jonathan Moffett. Griffith Institute. Archived from the original on May 18, 2007.
Schwartz, John (November 20, 2010). "Artist releases clue to Kryptos". The New York Times. Archived from the original on April 19, 2023. Retrieved November 12, 2011.
(anonymous) (November 22, 2010). "'Kryptos' Sculptor Drops New Clue In 20-Year Mystery". National Public Radio. Archived from the original on February 24, 2024. Retrieved November 12, 2011.
"A New Clue to 'Kryptos'". The New York Times. Photos by Drew Angerer. November 20, 2014. Archived from the original on March 14, 2024. Retrieved November 21, 2014.{{cite web}}: CS1 maint: others (link)
Schwartz, John (November 20, 2014). "Sculptor Offers Another Clue in 24-Year-Old Mystery at C.I.A.". The New York Times. Archived from the original on February 24, 2024. Retrieved November 22, 2014.
Schwartz, John [@@jswatz] (August 24, 2020). "KRYPTOS NEWS: Jim Sanborn, creator of the Kryptos sculpture, quietly released four new plaintext letters to the unsolved potion, K4. EAST, which goes just before the recently released NORTHEAST. Here's my story from January" (Tweet). Archived from the original on March 14, 2024. Retrieved May 5, 2024 – via Twitter.
McKinnon, John D. (May 27, 2005). "CIA sculpture 'kryptos' draws mystery lovers". Pittsburgh Post-Gazette. Archived from the original on February 17, 2007. Retrieved December 11, 2011.

wired.com (Global: 254^th place; English: 178^th place)

Zetter, Kim (April 20, 2006). "Typo Confounds Kryptos Sleuths". Wired. Archived from the original on November 6, 2018. Retrieved December 4, 2024.
Zetter, Kim (January 20, 2005). "Questions for Kryptos' Creator". Wired. ISSN 1059-1028. Archived from the original on April 24, 2023. Retrieved May 5, 2024.
Zetter, Kim (June 5, 2013). "CIA Releases Analyst's Fascinating Tale of Cracking the Kryptos Sculpture". Wired. Wired.com. Archived from the original on January 17, 2024. Retrieved June 5, 2013.
Zetter, Kim (July 10, 2013). "Documents Reveal How the NSA Cracked the Kryptos Sculpture Years Before the CIA". Wired. Archived from the original on May 10, 2023. Retrieved April 10, 2020.
Zetter, Kim (November 20, 2014). "Finally, a New Clue to Solve the CIA's Mysterious Kryptos Sculpture". Wired. Archived from the original on January 6, 2015. Retrieved November 25, 2014. in 2006, Sanborn realized he had also made an inadvertent error, a missing "x" that he mistakenly deleted from the end of a line in passage 2, a passage that was already solved.
Zetter, Kim. "Questions for Kryptos' Creator". Wired. ISSN 1059-1028. Retrieved October 18, 2025.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Ables, Kelsey (August 14, 2025). "The 'Kryptos' code has gone unsolved for 35 years. Now it's up for sale". The Washington Post. ISSN 0190-8286. Retrieved August 14, 2025.
Burstein, Daniel; Keijzer, Arne de (December 22, 2009). Secrets of The Lost Symbol (1st ed.). New York: William Morrow. ISBN 978-0061964954. LCCN 2011282732. OCLC 422763820. OL 25132741M.
Bauer, Craig; Link, Gregory; Molle, Dante (April 27, 2016). "James Sanborn's Kryptos and the matrix encryption conjecture". Cryptologia. 40 (6): 548. doi:10.1080/01611194.2016.1141556. ISSN 0161-1194.
Zetter, Kim (January 20, 2005). "Questions for Kryptos' Creator". Wired. ISSN 1059-1028. Archived from the original on April 24, 2023. Retrieved May 5, 2024.
Zetter, Kim. "Questions for Kryptos' Creator". Wired. ISSN 1059-1028. Retrieved October 18, 2025.
Carter, Howard (1923). The Tomb of Tutankhamen (1st ed.). London: Little Books, Limited (published October 19, 2016). The finding of the tomb. ISBN 9781906251109. OCLC 174131378. {{cite book}}: ISBN / Date incompatibility (help)

Kryptos (English Wikipedia)

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