Names
- O'Neil, Robert1
- Oberholtz, Madge1
- Officers Candidate School1
- Ohio State University 1
- Olson, Manley, 1936-1
- Omega Psi Chi1
- Orescanin, Dan1
- Organized Party1
- Oriental Corporation.1
- Ortega, Ofelia1
- Osthus, Carl1
- Oswald, Lee Harvey1
- Ottison, Skyler1
- Owen, Kent1
- Oxford University1
- O’Neil, Bob1
- Pagelkopf, Doris, 1938-1
- Parker, Keith1
- Parmenter, Charlie1
- Patterson, Robert P.1