title: Night shift in a glass factory.
authors.affiliation: History of Medicine Division, National Library of Medicine, Bethesda, MD 20894, USA.
authors.forename: W H
authors.initials: WH
authors.lastname: Helfand
authors.forename: J
authors.initials: J
authors.lastname: Lazarus
authors.forename: P
authors.initials: P
authors.lastname: Theerman
mesh_terms: D002648:Child; D002651:Child Advocacy / Q000266:history*; D004651:Employment / Q000266:history*; D005898:Glass; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007221:Industry / Q000266:history*; D014481:United States