Zubek, John P. 1925- Human development / John P. Zubek, P.A. Solberg. - New York : McGraw-Hill, c1954. - vii, 476 p. : ill. ; 23 cm. Bibliography: p.429-459. Subjects--Topical Terms: Psychology.Developmental psychology. Dewey Class. No.: 150 / ZUH 1954