Night-work and day-sleep
Subtitle: what it means to a man, woman or child to invert nature's order for work and sleep
Series: Pamphlet -- no. 149; Pamphlet (National Child Labor Committee (U.S.)) -- no. 149; Open Collections Program at Harvard University
Publisher: National Child Labor Committee
Published: 1911
Place of publication: New York City
Language: eng
Number of pages: 15
Subjects: Night work
Notes: "March 8, 1911."