| Piercy, Marge |
| Pimentel, David; Westra, Laura and Noss, Reed F. (eds) |
| Pinchiorri, Giorgio and Féolde, Annie |
| Pinder, Wilhelm |
| Pinheiro, Jose C and Douglas M. Bates |
| Piras,Claudia e Eugenio Medagliani |
| Pirie, Gordon |
| Pittock, A Barrie |
| Pittock, Barrie (ed) |
| Pius IX |
| Pizzey, Graham |
| Pizzini, Katrina |
| Platner, Ernst und Ludwig Ulrichs |
| Plowman, R. Bruce. Collected and Abridged By Jean Whitla |
| Podhajsky, Alois |
| Poe, Edgar Allan (Stoddard, Richard Henry Introduction and Memoir) |
| Pollak, Michael and Margaret MacNabb |
| Poniatowska, Elena and Carla Stellweg |
| Ponting, Clive |
| Poole, Stuart C. |
| Popovic, Ljubo |
| Porter, Chester |
| Porter, Sarah and Stuart Adlington |
| Poston, Elizabeth |
