• 2 Wisconsin Historical Society Library
• 1 WHS State Archives Preservation Facility

• 3 Working class
• 1 Labor laws and legislation

• 1 Canada. Department of Labour
• 1 Massachusetts. Bureau of Statistics of Labor
• 1 New York (State). Department of Labor
• 1 New York (State). Department of Labor. Bureau of Statistics and Information
• 1 New York (State). Department of Labor. Division of Research and Statistics

• 3 English

• 1 Canada
• 1 Massachusetts
• 1 New York (State)

• 2 Periodicals

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