Progress and uniformity in child-labor legislation
Subtitle: a study in statistical measurement.
Edition: (1st AMS ed.).
Series: Studies in history, economics, and public law, v. 48, no. 2; whole no. 121; Columbia studies in the social sciences -- 121.
Publisher: AMS Press
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 219
Subjects: Children -- Employment -- United States.
Notes: Series statement also appears as, Columbia University studies in the social sciences, 121.

Pages also numbered 279-493.

Reprint of the 1912 ed.