Papers of Richard James Hayes (former Director of the National Library of Ireland) relating to his work on decoding German messages during World War II, mainly consisting of the drafts of his work, but including several hundred copies of telegrams sent to the German Legation in Dublin, also including some letters and memoranda [mainly photocopies] concerning German agents in Ireland, 1940-1944.

Format: Manuscript
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Location

Dublin: National Library of Ireland, Mss. 22,981-22,984