Helen Laura Sumner
Books
- History of Labour in the United States
- A Documentary History of American Industrial Society
- Labor Problems; a Text Book
- Documentary History of American Industrial Society; Volume 7
- Equal Suffrage: The Results of an Investigation League in Colorado Made for the Collegiate Equal Suffrage League of New York State
- History Of Labour In The United States, Volume 1
- History of Labour in the United States; Volume 2
- Labor problems
Author data: Open Library