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Bibframe Work

Title
The man who broke Purple man who broke Purple :
Type
Text
Contribution
Clark, Ronald William. Contributor
Subject
Friedman, William F. (William Frederick), 1891-1969.
Cryptographers--United States--Biography.
Genre Form
biographies
Language
English
Illustrative Content
illustrations
plates
Geographic Coverage
United States
Classification
LCC: UB290 .C58 1977b (Source: dlc)
DDC: 358/.24 full (Assigner: dlc)
DDC: B full (Assigner: dlc)
Identified By
Lccn: 78315680
Supplementary Content
Index present
Authorized Access Point
Clark, Ronald William. man who broke Purple