| Title | Date | Type | ||
|---|---|---|---|---|
| 451 | Ashton, Brigham W.-Residence P.1 | Image | ||
| 452 | Ashton, Samuel-Cabin P.1 | Image | ||
| 453 | Ashton, Samuel-Cabin P.2 | Image | ||
| 454 | Ashworth Transfer Trucks P.1 | 1947-09-10 | Image | |
| 455 | Asia Café P.1 | Image | ||
| 456 | Asphalt Mining P.1 | 1907-04-21 | Image | |
| 457 | Asphalt Mining P.2 | 1907-04 | Image | |
| 458 | Asphalt Mining P.3 | 1907-04 | Image | |
| 459 | Asphalt Mining P.4 | 1907-04 | Image | |
| 460 | Asphalt Mining P.5 | 1907-04 | Image | |
| 461 | Asphalt Plant- G. A. Heaman P.1 | 1913-10-31 | Image | |
| 462 | Asphalt Plant- Leonora Mining & Milling Co. | 1929 | Image | |
| 463 | Asphalt Plant-P.J. Moran P.1 | 1913-10-24 | Image | |
| 464 | Athletic team P.1 | 1904-08-21 | Image | |
| 465 | Atkin Hotel P.1 | Image | ||
| 466 | Atlas Corporation P.1 | Image | ||
| 467 | Atlas Corporation P.2 | Image | ||
| 468 | Atlas Corporation P.3 | Image | ||
| 469 | Atwood, Walter S.-Residence P.1 | Image | ||
| 470 | Audubon--Camp at Three Mamelles P.1 | Image | ||
| 471 | Austin, Thomas-Residence P.1 | Image | ||
| 472 | Automobile Industry-Thermoid Plant P. | Image | ||
| 473 | Automobile Racing P.1 | Image | ||
| 474 | Automobile Racing P.10 | Image | ||
| 475 | Automobile Racing P.11 | Image |