Names
- Roosevelt, Theodore, 1858-1919.1
- Roth, Filibert, 1858-1925.1
- Round Table Club (University of Michigan)1
- Ruhl, H. D.1
- Ruthven, Alexander Grant, 1882-1971.1
- Saginaw and Manistee Lumber Company.1
- Sault Sainte Marie Canal (Mich.)1
- Saunders, Carl M. (Carl Maxon), 1890-1974.1
- Schmidt, Carl Ernest, 1856-19341
- Schmidt, Carl Ernest, 1856-1934.1
- Seaman, Ezra C. (Ezra Champion), 1805-1880.1
- Shields, Robert Hazen, 1905-1
- Slater, Kenneth.1
- Sleeper, Albert E., 1862-1934.1
- Smith, Arvilla Almira Powers, 1808-1895.1
- Smith, Hal Horace, 1903-1
- Smith, Shirley Wheeler, 1875-1959.1
- Smith, William Alden, 1859-1932.1
- Smits, Lee J.1
- Smoot, Reed, 1862-1941.1