Who broke the wartime codes?
Description
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Subjects
Subjects
Cryptographers
Cryptographers -- Great Britain -- History -- 20th century
Cryptographers -- United States -- History -- 20th century
Cryptography
Cryptography -- Great Britain -- History -- 20th century -- Juvenile literature
Cryptography -- United States -- History -- 20th century -- Juvenile literature
Electronic intelligence
Great Britain
History
United States
World War (1939-1945)
World War, 1939-1945
World War, 1939-1945 -- Cryptography -- Juvenile literature
World War, 1939-1945 -- Electronic intelligence -- Great Britain -- Juvenile literature
World War, 1939-1945 -- Electronic intelligence -- United States -- Juvenile literature
More Details
ISBN
9781432996130
9781432996062
9781432996062
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