title: Blue-collars in eclipse.
authors.forename: Rodger
authors.initials: R
authors.lastname: Doyle
mesh_terms: D004651:Employment / Q000266:history / Q000706:statistics & numerical data; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007221:Industry / Q000266:history / Q000706:statistics & numerical data; D012456:Salaries and Fringe Benefits