A: Three basic assumptions,

A: Three basic assumptions,

[undated].
Bibliographic Details
Contributors: Hayes, Richard J., 1902-1976
In collection: Richard J. Hayes Papers, 1902-1976.
Format: Manuscript
Language:English
Subjects:
World War, 1939-1945 > Secret service > Germany
World War, 1939-1945 > Secret service > Ireland
World War, 1939-1945 > Cryptography
Cryptographers > Ireland
Ireland > Foreign relations > Germany
Germany > Foreign relations > Ireland > 1939-1945
Notes:Some duplicates.

Physical description: 1 item (2 positive & 22 negative photostat pages)

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Arrangement:Item
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A: Three basic assumptions,

[undated].
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Bibliographic Details
In Collection: Richard J. Hayes Papers, 1902-1976.
Language:English
Extent:1 item (2 positive & 22 negative photostat pages)
Format:Manuscript
Call Number: MS 22,983/14 (Manuscripts Reading Room)
Rights:Reproduction rights owned by the National Library of Ireland.