| Key to Abbreviations |
|---|
| SRH - Special Research History SRMA - Discrete Records of Historical Cryptologic Import: U.S. Army SRMD - Discrete Records of Historical Cryptologic Import: Joint Server and/or U.S. Government Cryptologic Agencies. SRMN - Discrete Records of Historical Cryptologic Import: U.S. Navy.
A complete collection of
unpublished cryptologic documents is located in the records of the National Security
Agency (RG-457) at the Textual Reference Branch, National Archives and Records
Administration, 8601 Adelphi Road, College Park MD 207400-6001. |
| General Accounts |
|---|
| ULTRA and the Battle of the Atlantic |
|---|
| ULTRA and the Battle For Europe |
|---|
| Additional Resources | |
|---|---|
|
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