Cryptonym: DYMAROON

National Archives Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts

An official list of cryptonyms, pseudonyms, and related terms states DYMAROON is the US Department of State. https://www.archives.gov/files/iwg/declassified-records/rg-263-cia-records/second-release-lexicon.pdf

Foreign Relations of the United States, 1952-1954: Guatemala Current Section: 18. 9/18/52-Memorandum From Jacob R. Seekford to the Chief of the Western Hemisphere Division, Central Intelligence Agency (King)

The document refers to United States Foreign Relations concerning Guatemala and mentions the US Department of State cryptonym DYMAROON. https://www.maryferrell.org/showDoc.html?docId=145047&relPageId=53

104-10120-10097: CLEARANCE OF MANUSCRIPT

10/7/52 memo refers to clearance of a manuscript by DYMAROON in five days, very short period of time. Seems to refer to work by Priscilla Johnson.