Names
- National Gleaner Federation1
- National Milk Producers Federation1
- National Milk Producers Federation.1
- National Non-partisan League1
- National Nonpartisan League.1
- National Progressive Republican League1
- National Progressive Republican League.1
- Osborn, Chase S. (Chase Salmon), 1860-1
- Osborn, Chase Salmon, 1860-19491
- People's Legislative Service1
- People's Legislative Service.1
- People's Reconstruction League1
- People's Reconstruction League.1
- Pettigrew, Richard Franklin, 1848-19261
- Pettigrew, Richard Franklin, 1848-1926.1
- Powers, Perry Francis, 1857-19451
- Powers, Perry Francis, 1857-1945.1
- Progressive Party (1912)1
- Progressive Republicans' League of Michigan1
- Progressive Republicans' League of Michigan.1