Heights and weights of New York city children 14 to 16 years of age 
Subtitle: a study of measurements of boys and girls granted employment certificates / by Lee K. Frankel, and Louis I. Dublin.
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 64
ISBN-13: 9781425501174
Subjects: History / United States / General
First sentence: The New York State Labor Law provides that no child between the ages of 14 and 16 shall be employed in a factory or in a mercantile or other specified establishment, unless he or she is in possession of an employment certificate.