The Story In Depth

There are many documented sources of information regarding the Dayton code breaking effort. The most dramatic and detailed are at the National Archives at College Park, Maryland. However, some documents remain in the NCR Archive at Dayton History. And there is much research yet to be done. The list below contains links to documents and information available at this site.

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Site last updated August 8, 2019 @ 3:42 pm; This content last updated August 30, 2013 @ 8:29 am

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Stray Thoughts

Serious error.
All shortcuts have disappeared.
Screen. Mind. Both are blank.

— Ian Hughes

I ask that visitors be patient when links or pages disappear or become mangled in the vagaries of PHP and generated code. Frequent additions and updates make for human error -- please report any broken links or other problems to Deborah Anderson, site manager--your help is appreciated.

E-mails to Deborah Anderson, in care of Dayton Codebreakers, are still appreciated, and I will try to respond promptly. Your messages are what make this job worthwhile.

Use of materials by permission. Materials other than those clearly marked as National Archives materials are not in the public domain. More information here.