In Index of Names
- Parens, Joshua 577, 619
- Parmenides of Elea (6th/5th cent. BC) 47
- ¶ Paul of Aegina (7th cent.) 487
- Paul of Alexandria (4th cent.) 41
- Paul the Persian (6th cent.) 59, 79, 82, 112, 115–116, 179, 311, 332, 336
- Paul, St. 475
- Pellat, Charles 708
- Petrus Alfonsi (d. 1140) 214
- Petrus Gallegus (d. 1267) 305
- Philolaus of Croton (mid 5th cent. BC) 771
- Phocas bar Sergius (8th cent.) 111
- Photius (ca. 820–891) 108
- Pines, Shlomo 8, 19, 388–392, 395, 480, 619, 632, 699
- Plato (428/7–348/7 BC) 13, 29–35, 37–43, 45–49, 58, 62, 64, 77–78, 82, 113, 127–128, 131, 156–157, 161–162, 166, 168, 172–175, 177,…