| Termen/ Term | Nr. apariții/ No. occurrences |
| PETRESCU-GAINA NICOLAE | 10 |
| PETRESCU-MOGOS GH. | 1 |
| PETRESCU-MOGOS NICOLAE | 9 |
| PETRESCU-TIPARESCU ANGI | 1 |
| PETRICA DIMITRIE | 2 |
| PETRICH J. | 1 |
| PETRINI JOAN | 1 |
| PETROFF A | 1 |
| PETROFF AL.M. | 2 |
| PETROFF ANDRE | 1 |
| PETRONI ANDREA | 1 |
| PETROS | 1 |
| PETROSANI | 1 |
| PETROV IU.N. | 1 |
| PETROVICI ECATERINA | 2 |
| PETROVICI IOAN | 18 |
| PETROVICI ION | 58 |
| PETROVICI MAC OLIMPIA | 2 |
| PETROVICI SAVA | 3 |
| PETROVITS PAULUS | 1 |
| PETRU TEODOR | 1 |
| PETRU ZUGRAVU | 8 |
| PETRU ZUGRAVUL | 1 |
| PETRUOLO SALVATORE | 1 |
| PETRUS | 1 |
| PETRUS DE LA TOUR | 1 |
| PETRUS DIOSZEGI CLAUDIOPOLITANUS | 1 |
| PETRUS LANTREGEN | 2 |
| PETRUTIU LIANA | 1 |
| PETRY BELA | 3 |
| PETTENKOFEN AUGUST XARER CARL | 1 |
| PEYRARD CHARLES | 1 |
| PEYRET I.M. | 1 |
| PEYRONNET JOSEPH-GUSTAVE | 1 |
| PEZOLD LEOPOLD VON | 2 |
| PEZOLD LEOPOLD VON (PINX.) | 1 |
| PEZZELY A | 1 |
| PFEFFEL | 1 |
| PFEIFFER G. | 1 |
| PFEIFFER WATENPAUL MAX | 1 |
| PFEILER MAXIMILIAN | 3 |
| PFITZER JOH. BAPTIST | 1 |
| PFLUG | 1 |
| PH. ANDREAS KILLIAN | 4 |
| PHEREKUDE | 1 |
| PHILIP | 1 |
| PHILIPON CHARLES | 59 |
| PHILIPP | 1 |
| PHILIPPE DE CHAMPAIGNE | 1 |
| PHILIPPE P. | 1 |