Theodore N. Beckman, Nathanael H. Engle, Robert D. Buzzell

Ronald Press c1959 3rd ed

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by Theodore N. Beckman and Nathanael H. Engle

Ronald c1949 rev. ed

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edited by Nathanael H. Engle ; sponsored by Pacific Advertising Association

Ronald Press c1946

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by members of the Faculty of the University of Washington ; editors, Joseph B. Harrison, Linden A. Mander, Nathanael H. Engle

Macmillan 1946

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by Nathanael H. Engle & Homer E. Gregory ... [et al.]

Richard D. Irwin 1945

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by Theodore N. Beckman and Nathanael H. Engle

Published for the United States Armed Forces Institute by the Ronald Press c1937 War Department education manual EM 784

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by Theodore N. Beckman and Nathanael H. Englel

Ronald Press c1937

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Nathanael Howard Engle

[s.n.] [1930]

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