- 1 Pea Ridge, Tennessee
- 8 Peace
- 1 Peace and Plenty
- 16 Peace Jubilee
- 2 Peace treaties
- 32 Peacocks
- 1 Peake, Charles, 1793-1847
- 1 Peake, Richard Brinsley, 1792-1847
- 2 Peale, Charles Willson, 1741-1827.
- 2 Pearce, Thomas A.
- 1 Pearl Harbor, Hawaii
- 8 Pearls
- 19 Pears
- 1 Pearson and Ludasher Lumber Co.
- 2 Pearson Street
- 3 Pearson, Howard S.
- 1 Peasants
- 1 Peck & Snyder (New York, N.Y.)
- 3 Peddlers
- 1 Peddlers' wagons
- 31 Pedestals
- 1 Pedestrian facilities
- 139 Pedestrians
- 75 Pediments
- 2 Pedro II, Emperor of Brazil, 1825-1891
- 5 Peduzzi, Renato
- 1 Peerless Silk Dyeing Co.
- 1 Pegasus (Greek mythology)
- 1 Peirce, William S. (William Shannon), 1815-1887
- 2 Pekin Mills
- 4 Pelham Pharmacy (firm)
- 1 Pelham, Henry, 1749-1806
- 11 Pelicans
- 7 Pellet prints
- 1 Pemberton, New Jersey
- 17 Pen-and-wash drawings
- 4 Pencils
- 3 Pencoyd, Pennsylvania
- 3 Pendants (Jewelry)
- 2 Pendants (lighting fixtures)
