Names
- Oberholtzer, Ellis Paxson, 1868-1936.1
- Oberlin College.1
- Osborn, Chase S. (Chase Salmon), 1860-1
- Osborn, Chase S. (Chase Salmon), b. 18601
- Palmer, Charles Henry, 1814-18871
- Palmer, Charles Henry, 1814-1887.1
- Pattengill, Henry Romaine, 1852-1918.1
- Patterson, John C., 1838-1910.1
- Patton, John, 1850-1907.1
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Pearson, Karl G.1
- Pease, Theodore Calvin, 1887-1948.1
- Pelzer, Louis, 1879-1946.1
- Perkins, George Clement, 1839-1923.1
- Perry, Maude Elaine Caldwell, 1873-19631
- Perry, Maude Elaine Caldwell, 1873-1963.1
- Perry, Stuart Hoffman, 1874-1957.1
- Phillips, Ulrich Bonnell, 1877-1934.1
- Pierce, Bessie Louise, 1888-1974.1
- Pitcher, Zina, 1797-18721