Gesell, Arnold Lucius 1880-1961. The mental growth of the pre-school child : a psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis / Arnold Gesell. - x, 447 p. : ill. ; 22 cm. LCCN: bvc00001132 //r882 Subjects--Topical Terms: Child psychology LC Class. No.: BF721 / .G5 1930 Dewey Class. No.: 155.41/3