Ultra goes to war : the first account of World War II's greatest secret based on official documents / Ronald Lewin.

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Bibliographic Details
Online Access:	Full Text (via Internet Archive)
Main Author:	Lewin, Ronald
Format:	eBook
Language:	English
Published:	New York : McGraw-Hill, c1978.
Subjects:	World War, 1939-1945 > Secret service > Great Britain.

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Holdings details from Online
Call Number:	D810.S7 L43 1978
D810.S7 L43 1978	Available