| PAGLIANO, Eleuterio (1826-1903) | • Indian summer, etching |
| • A lion, etching | |
| • The body of Luciano Manara, etching |
| PALAGI, Pelagio (1775-1860) | • A neoclassical allegory, pen |
| PALIZZI, Filippo (1818-1899) | • Goats at a pond, etching |
| PALIZZI, Giuseppe (1812-1888) | • L'abreuvoir, etching |
| PALMA IL GIOVANE, Jacopo Negretti (c. 1548-1628) | • Sketches of figures, pen |
| PALMA IL GIOVANE, Jacopo (c. 1548-1628) circle of | • Three saints, pen and wash |
| PALMIERI Jr, Pietro Giacomo (1782-1820) | • A pair of landscapes drawings, pen |
| PANERAI, Ruggero (1862-1923) | • Street scene, pen and ink |
| • Horse carts, black chalk |
| PASINI, Alberto (1826-1899) | • Two standing prisoners, black chalk |
| PASSERI, Giuseppe (1654-1714) | • Sketch of a medallion, pen |
| PIATTOLI, Giuseppe (active 1785-1807) | • Laocoon, pen and wash |
| PIAZZETTA, Giovanni Battista (1682-1754) follower of | • Portrait of a boy, black chalk |
| PICCIO, Giovanni Carnovali (1804-1873) | • Four drawings of female portraits, black chalk |
| PICCIO, Giovanni Carnovali (1804-1873), attributed to | • A group of figures, black chalk |
| PINELLI, Bartolomeo (1781-1835) | • Two standing gentlemen, watercolour |
| • Aeneas and the Cumean Sybil, pen | |
| • Portrait of a young woman, black chalk | |
| • The Pope versus Napoleon, six etchings |
| PINOCHI, Enrico Mauro (1900-1965) | • Standing young woman in thirties attire, gouache |
| PIRANESI, Francesco (1756-1810) | • Vue de la cave spacieuse..., etching |
| PIRANESI, Giambattista (1720-1778) | • Palazzo Odescalchi, etching |
| • Niccola Zabbaglia, etching |
| PODESTI, Francesco (1800-1895) | • The triumph of a Roman emperor, pen and wash |
| POZZI, Ennio (1893-1974) | • Child with crossed arms, black chalk |
| • A woman sewing, pen and wash |
| POZZI, Giancarlo (1938) | • The fall, black and coloured chalks |
| PROCACCINI, Ercole the Younger (1605-1680) | • Male figure, red chalk |
| PROVAGGI, Cesare (XIX century) | • Maria de Medici with Rubens, watercolour |
| PUPINI, Biagio (1504-1551) | • A pagan sacrifice, black chalk, wash, heightened |
| PURICELLI, Giuseppe (1825-1894) | • Mountainous landscape, black chalk |
| • Landscape with a lake, black chalk | |
| • Ancient warriors in a wood, black chalk | |
| • Seascape, black chalk |
| PUVIS DE CHAVANNES, Pierre (1824-1898) | • Studies of figures, black chalk |
| • Half kneeled figure, black chalk |