Youth:

Gesell, Arnold, 1880-1961.

Youth: the years from ten to sixteen, by Arnold Gesell, Frances L. Ilg [and] Louise Bates Ames. - [1st ed.] - New York, Harper [1956] - 542 p. 25 cm.

56006023 /L/r882


Adolescence.
Child development.

HQ796 / .G44