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New York Harcourt, Brace 1950 .
xxvi, 484 p. 22 cm..

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New York Harcourt, Brace & World 1961 .
xi, 386 p. 25 cm..
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By Homans, George Caspar.
Buenos Aires EUDEBA 1972 .
497 p. , Translation of : The human group.

By Homans, George Caspar.
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xiv, 478 p.

By Homans, George Caspar.
New York Harcourt, Brace 1950 .
xxvi, 484 p.