Young, Paul Thomas, 1892- Motivation and emotion : a survey of the determinants of human and animal activity / Paul Thomas Young. - New York : Wiley, c1961. - 648 p. : illus. ; 24 cm. Includes bibliography. and Index Subjects--Topical Terms: Psychology.Psychology, Comparative.Motivation (Psychology)Emotions. Dewey Class. No.: 156 / YOM 1961