Progress and uniformity in child-labor legislation
Subtitle: a study in statistical measurement
By: by William F. Ogburn.
Published: 1912
Place of publication: New York
Language: eng
Number of pages: 221
Subjects: Child labor -- United States.; Labor laws and legislation -- United States.
Notes: Thesis (Ph. D.) -- Columbia University, 1912.
Vita.
Published also as Columbia University Studies in history, economics, and public law, v. 48, no. 2, whole no. 121.