“Excerpts from the Pittsburgh Survey”, in Multimedia Histories Section of ehistory, Ohio State University Department of History
http://ehistory.osu.edu/osu/mmh/PittsburghSurvey/default.cfm
Referenced in:
Work Accidents and the Law (1910)
“Excerpts from the Pittsburgh Survey”, in Multimedia Histories Section of ehistory, Ohio State University Department of History
http://ehistory.osu.edu/osu/mmh/PittsburghSurvey/default.cfm
Referenced in:
Work Accidents and the Law (1910)