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

• 3 Journals, Magazines, Newspapers

• 1 Employees
• 1 Labor movement
• 1 National Federation of Post Office Clerks. Local No. 1 (Chicago, Ill.)
• 1 National Federation of Postal Employes
• 1 Postal service
• 1 Women labor union members
• 1 Working class

• 1 National Federation of Post Office Clerks
• 1 National Federation of Post Office Clerks. Local No. 1 (Chicago, Ill.)
• 1 Women's Trade Union League of Chicago

• 3 English

• 3 Chicago

Limit year range