| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 476 |
 | Office Interior | 1951-10-27 | Image | dha_scp |
| 477 |
 | Office Interior | 1951-10-27 | Image | dha_scp |
| 478 |
 | Old Folks Day, Lagoon | 1909; 1905; 1906; 1907; 1908; 1910; 1911; 1912; 1913 | Image | dha_scp |
| 479 |
 | Onions P.2 | Image | dha_cp | |
| 480 |
 | Oregon Short Line Railroad P.14 | 1914 | Image | dha_cp |
| 481 |
 | Oregon Short Line, Clearfield | 1921-05-10 | Image | dha_scp |
| 482 |
 | Oregon Short Line, Clearfield | 1921-05-10 | Image | dha_scp |
| 483 |
 | Oregon Short Line, Clearfield | 1921-05-10 | Image | dha_scp |
| 484 |
 | Oregon Short Line, Clearfield | 1912-07-25 | Image | dha_scp |
| 485 |
 | Palmer, George W.-Residence P.1 | 1912 | Image | dha_cp |
| 486 |
 | Peter Skene Ogden | Image | dha_cp | |
| 487 |
 | Peter Skene Ogden | Image | dha_cp | |
| 488 |
 | Peter Skene Ogden | Image | dha_cp | |
| 489 |
 | Peter Skene Ogden | Image | dha_cp | |
| 490 |
 | Phillips, Edward-Residence P.1 | Image | dha_cp | |
| 491 |
 | Plant Exterior | 1951-10-27 | Image | dha_scp |
| 492 |
 | Plant Exterior | 1951-10-27 | Image | dha_scp |
| 493 |
 | Portrait of David Day | 1915; 1916; 1917; 1918 | Image/StillImage | dha_kdfc |
| 494 |
 | Postcards and Telegrams | 1918 | Text | dha_kdfc |
| 495 |
 | Postcards to Day Family Members | 1918-09-09; 1917-09-24 | Text | dha_kdfc |
| 496 |
 | Prevention pays off: on the trail of disaster | 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image/MovingImage | dha_alwmc |
| 497 |
 | Proudfit, James-Residence P.1 | Image | dha_cp | |
| 498 |
 | Pumpkins P.1 | Image | dha_cp | |
| 499 |
 | Rampton Drug Store | 1912 | Image | dha_cp |
| 500 |
 | Rich-Woolley-Residence P.1 | Image | dha_cp |