Names
- Roberts, Helen Martindale.1
- Rochester Salt and Lumber Company (Saginaw, Mich.)1
- Roosevelt, Franklin D. (Franklin Delano), 1882-1945.1
- Roosevelt, Theodore, 1858-1919.1
- Roth, Filibert, 1858-1925.1
- Rothschild, Sigmund, 1837-1907.1
- Round Table Club (University of Michigan)1
- Ruthven, Alexander Grant, 1882-1971.1
- Saginaw and Lansing Rail Road Company.1
- Saginaw and Manistee Lumber Company.1
- Salt industry and trade--Michigan1
- Sault Sainte Marie Canal (Mich.)1
- Seaman, Ezra C. (Ezra Champion), 1805-1880.1
- Section Two Mining Company.1
- Shields, Robert Hazen, 1905-1
- Sleeper, Albert E., 1862-1934.1
- Smith, Arvilla Almira Powers, 1808-1895.1
- Smith, Gerrit, 1797-1874.1
- Smith, Hal Horace, 1903-1
- Smith, Humphrey Henry Howland Crapo.1