Who broke the wartime codes?

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Bibliographic Details
Main Author:	Barber, Nicola
Format:	Book
Language:	English
Published:	Chicago, Illinois : Heinemann Library, [2014]
Series:	Primary source detectives.
Subjects:	World War, 1939-1945 > Juvenile literature. World War, 1939-1945 > Cryptography > Juvenile literature. World War, 1939-1945 > Electronic intelligence > United States > Juvenile literature. World War, 1939-1945 > Electronic intelligence > Great Britain > Juvenile literature. Cryptography > United States > History > 20th century > Juvenile literature. Cryptography > Great Britain > History > 20th century > Juvenile literature. History. Juvenile works.

Arrowhead Library System

Holdings details from Arrowhead Library System
Call Number:	J 940.54 BAR