- 13 Playbills
- 1 Playfair, Lyon Playfair, Baron, 1818-1898
- 4 Playgrounds
- 1 Playhouses
- 6 Playing cards
- 2 Plays (performed works)
- 1 Playwrights
- 1 Plaza, Nicanor.
- 9 Plazas
- 1 Pleasant Valley
- 1 Pleasure
- 6 Pleasure gardens
- 1 Pliers
- 1 Plotinus
- 3 Plowing
- 1 Plowman, George Taylor, 1869-1932, Architect
- 2 Plowman, Rush Anderson, Architect
- 17 Plows
- 1 Plumb see Yerkes & Plumb
- 4 Plumbers
- 5 Plumbing fixtures
- 3 Plumbing industry
- 1 Plumbing stores
- 1 Plumes (ornaments)
- 1 Plumly & Son Paper Box Factory
- 1 Plying (yarn making process)
- 1 Plymouth
- 1 Plymouth Rock Memorial Brooch
- 1 Pneumatic tubes
- 2 Pocket watches
- 3 Podiums (platforms)
- 18 Poe, Edgar Allan, 1809-1849
- 2 Poe, Eliza, -1811
- 5 Poems
- 103 Poetry
- 4 Poets
- 1 Point Airy Park
- 6 Point Breeze Avenue
- 1 Point Breeze Avenue
- 2 Point Breeze Avenue
