Average heights and weights of children under six years of age ...
Series: Community child-welfare series,; no. 2
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Notes: Bureau publication, no. 84.
At head of title: U. S. Department of labor.  James J. Davis, secretary.  Children's bureau.  Julia C. Lathrop, chief.