Night shift in a glass factory.
Helfand
W H
WH
History of Medicine Division, National Library of Medicine, Bethesda, MD 20894, USA.
Lazarus
J
J
Theerman
P
P
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