| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 301 |
 | Portrait of David Day | 1915; 1916; 1917; 1918 | Image/StillImage | dha_kdfc |
| 302 |
 | Postcards and Telegrams | 1918 | Text | dha_kdfc |
| 303 |
 | Postcards to Day Family Members | 1918-09-09; 1917-09-24 | Text | dha_kdfc |
| 304 |
 | Prevention pays off: on the trail of disaster | 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955 | Image/MovingImage | dha_alwmc |
| 305 |
 | Rampton Drug Store | 1912 | Image | dha_cp |
| 306 |
 | Rio Grande Western Railroad P.1 | 1905 | Image/StillImage | dha_cp |
| 307 |
 | Rio Grande Western Railroad P.2 | 1905 | Image/StillImage | dha_cp |
| 308 |
 | Rocky Mountain Bell Telephone Company, Farmington | 1912 | Image | dha_cp |
| 309 |
 | Salt Lake & Ogden Railroad P.10 | 1906-10-09 | Image | dha_cp |
| 310 |
 | Salt Lake & Ogden Railroad P.4 | 1909-07-20 | Image | dha_cp |
| 311 |
 | Salt Lake Union Stock Yards | 1916-11-02 | Image | dha_scp |
| 312 |
 | Salt Lake Union Stock Yards | 1916-11-02 | Image | dha_scp |
| 313 |
 | Salt Lake Union Stockyards, All of Yards | 1917-05-23 | Image | dha_scp |
| 314 |
 | Salt Lake Union Stockyards, Cattle in Cattle Pens | 1917-05-23 | Image | dha_scp |
| 315 |
 | Salt Lake Union Stockyards, Cattle in Sheep Pens | 1917-05-23 | Image | dha_scp |
| 316 |
 | Salt Lake Union Stockyards, Cattle, Panorama A | 1917-05-23 | Image | dha_scp |
| 317 |
 | Salt Lake Union Stockyards, Cattle, Panorama B | 1917-05-23 | Image | dha_scp |
| 318 |
 | Slim Olson Service Station | 1955-12-16 | Image | dha_cp |
| 319 |
 | Smith Residence, Kaysville | 1906-10-09 | Image | dha_scp |
| 320 |
 | Social Hall P.14 | 1935-09-23 | Image | dha_cp |
| 321 |
 | Solider Portrait | 1918 | Image/StillImage | dha_kdfc |
| 322 |
 | Stock Show | 1917-04-07 | Image | dha_scp |
| 323 |
 | Stock Show | 1917-04-07 | Image | dha_scp |
| 324 |
 | Stock Show | 1917-04-07 | Image | dha_scp |
| 325 |
 | Storm Run-offs P.10 | 1930 | Image | dha_cp |