Authors: Gerken, Clayton d'A. (Clayton d'Armond), author - Digital Collections - National Library of Medicine Search Results

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Author(s):: Paterson, Donald G. (Donald Gildersleeve), 1892-1961, author
Gerken, Clayton d'A. (Clayton d'Armond), author
Hahn, Milton E. (Milton Edwin), author
Publication:: Chicago, Illinois : The Test Service Division, Science Research Associates, [1914]
Subject(s):: Vocational Guidance
Aptitude Tests
Occupations

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