Author
Pennsylvania
3
Brown, Roy M.
2
Abbott, Edwin M., 1877-
1
Altgeld, John Peter, 1847-1902
1
American Federation of Labor. Free Trade Union Committee
1
Blackmon, Douglas A.,
1
Hornblum, Allen M.
1
Pennsylvania Bar Association Special Committee on Revision and Amendment of the Penal Laws
1
Pennsylvania General Assembly Joint Special Committee on Contract Convict Labor
1
Pennsylvania Penal Commission
1
Pennsylvania Prison Society
1
Powell, J. C.
1
Prychodko, Nicholas, 1904-
1
Spivak, John Louis, 1897-
1
Steiner, Jesse Frederick, 1880-
1
Steiner, Jesse Frederick, 1880-1962
1
Votaw, Albert Hiatt, 1850-
1