Brandes, Joseph
Herbert Hoover
University of Pittsburgh Press, 1962
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Lyons, Eugene
Herbert Hoover : a biography
Doubleday, 1948
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U.S. policy in international institutions : defining reasonable options in an unreasonable world / edited by Seymour Maxwell Finger and Joseph R. Harbert ; with a foreword by Cyrus R. Vance.
edited by Seymour Maxwell Finger and Joseph R. Harbert ; with a foreword by Cyrus R. Vance
Westview Press, 1982
 Buku Teks SO
Lutz, Vera
Italy, a study in economic development. With a foreword
Oxford University Press , 1962
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Bassie, V. Lewis
Economic forecasting / V. Lewis Bassie
McGraw-Hill Book Company, Inc , 1958
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