Hurlock, Elizabeth Bergner, Child development [by] Elizabeth B. Hurlock. - 2nd ed. - New York McGraw-Hill 1950. - 669 p. Bibliography : p. 599-652. LCCN: 64016846 //r81 Subjects--Topical Terms: Child psychology LC Class. No.: BF721 / .H8 1950 Dewey Class. No.: 136.7