Context: Folder marked "Capt. Healy: Preetz document" containing letter from Captain Joseph G. Healy about codes,

Saved in:

Bibliographic Details
Main Creator:	Healy, Joseph G., Captain
Contributors:	Hayes, Richard J., 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:	Physical description: 1 item (2 pages).
Arrangement:	Item

Bibliographic Details
In Collection:	Richard J. Hayes Papers, 1902-1976.
Main Creator:	Healy, Joseph G., Captain
Language:	English
Extent:	1 item (2 pages).
Format:	Manuscript
Call Number:	MS 22,983/19 (Manuscripts Reading Room)
Rights:	Reproduction rights owned by the National Library of Ireland.