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Start Over Formats Text ✖Remove constraint Formats: Text Collections World War 2, 1939-1949 ✖Remove constraint Collections: World War 2, 1939-1949 Subjects Equipment and Supplies -- standards ✖Remove constraint Subjects: Equipment and Supplies -- standards Authors Walpole, Robert H., author ✖Remove constraint Authors: Walpole, Robert H., author Authors Roberts, Lester B., author ✖Remove constraint Authors: Roberts, Lester B., author Languages English ✖Remove constraint Languages: English Copyright Public domain ✖Remove constraint Copyright: Public domain

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