Vernon, Philip Ewart. The structure of human abilities / Philip Ewart Vernon. - London : Methuen; 1950 [Reprinted 1951] - 160 p. : ill. ; 22 cm. - Methuen's manuals of modern psychology, 1 . Bibliography: p. [136]-151. Subjects--Topical Terms: Factor analysis.Ability. Dewey Class. No.: 153.94 / VES 1951