Names
- O'Neill, James Milton, 1881-1970.1
- O'Shaughnessy, John.1
- Olivet College.1
- Ouradnik, Francis W.1
- Parkhurst, John G. (John Gibson), 1824-1906.1
- Phi Delta Theta Fraternity. Michigan Alpha Chapter (University of Michigan)1
- Pierce, John Davis, 1797-1882.1
- Pingree, Hazen S., 1840-1901.1
- Players Club1
- Players Club (University of Michigan)1
- Political Equality Club (Ann Arbor, Mich.)1
- Presbyterian Church -- Michigan -- Dearborn.1
- Presbyterian Church -- Michigan.1
- Presbyterian Church in the U.S.A. Presbytery of Washtenaw (Mich.)1
- Randall, Caleb Dwinell, 1831-1903.1
- Redford Baptist Church (Detroit, Mich.)1
- Republican Party (Mich.)1
- Rich, John Treadway, 1841-1926.1
- Richard, Gabriel, 1767-1832.1
- Robbins, Frank Egleston, 1884-1