| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 301 |  | Sidney Stevens General Merchandise | 1889 | Image | dha_cp |
| 302 |  | Smithsonian Business College p.1 | 1914; 1915 | Image | dha_cp |
| 303 |  | Smithsonian Business College p.2 | 1913; 1909; 1910; 1911; 1912; 1914; 1915; 1916; 1917 | Image | dha_cp |
| 304 |  | Smithsonian Business College-Faculty p.1 | 1915; 1916 | Image | dha_cp |
| 305 |  | Smithsonian Business College-Faculty p.2 | 1908 | Image | dha_cp |
| 306 |  | Smithsonian Business College-Shorthand Class p.1 | 1903-06 | Image | dha_cp |
| 307 |  | Snowflake Hotel, Uinta P.1 | 1869 | Image | dha_cp |
| 308 |  | Southern Pacific Railroad P.2 | 1944-01-01 | Image | dha_cp |
| 309 |  | Southern Pacific Railroad P.3 | 1944-01-01 | Image | dha_cp |
| 310 |  | Southern Pacific Railroad P.5 | 1933-12-11 | Image | dha_cp |
| 311 |  | St. Benedict's Hospital-Ogden P.1 | 1946-09-19 | Image | dha_cp |
| 312 |  | St. Benedict's Hospital-Ogden P.2 | 1946-09-19 | Image | dha_cp |
| 313 |  | Stagecoaches P.23 | 1860; 1861; 1862; 1863; 1864; 1865; 1866; 1867; 1868; 1869; 1870; 1871; 1872; 1873; 1874; 1875; 1876; 1877; 1878; 1879; 1880; 1881; 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900 | Image/StillImage | dha_cp |
| 314 |  | Stewart, Robert P. | 1963 | Image/StillImage | dha_uslp |
| 315 |  | Stone, Charles A. | 1947 | Image/StillImage | dha_uslp |
| 316 |  | Taylor, Carl H. | 1955 | Image/StillImage | dha_uslp |
| 317 |  | Taylor, Carl H. | 1959 | Image/StillImage | dha_uslp |
| 318 |  | Taylor, Carl H. | 1957 | Image/StillImage | dha_uslp |
| 319 |  | Taylor, Carl H. | 1961 | Image/StillImage | dha_uslp |
| 320 |  | Telephone Lines P.12 | 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908; 1909; 1910 | Image/StillImage | dha_cp |
| 321 |  | Telephone Lines P.9 | 1910 | Image/StillImage | dha_cp |
| 322 |  | Tracy, Aaron W. | 1959; 1963 | Image/StillImage | dha_uslp |
| 323 |  | Tracy, Aaron W. | 1961 | Image/StillImage | dha_uslp |
| 324 |  | Trucks P.6 | 1962 | Image | dha_cp |
| 325 |  | U.S. Geological Survey P.1 | 1888 | Image | dha_cp |