| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 2026 |
 | Allen, W. Douglas | 1937 | Image/StillImage | dha_uslp |
| 2027 |
 | Allen-Warner Valley Energy System Environmental Impact Statement | 1980 | Text | uaida_main |
| 2028 |
 | Alliance Coal Company | 1912-09-13 | Image | dha_scp |
| 2029 |
 | Alliance Coal Company, Coal Yard | 1912-08-28 | Image | dha_scp |
| 2030 |
 | Alliance Mine | Image | dha_cp | |
| 2031 |
 | Allied Building Credit Booth | 1952-03-03 | Image | dha_scp |
| 2032 |
 | Allied Building Credit Booth | 1952-03-03 | Image | dha_scp |
| 2033 |
 | Allied Development Co. - War Surplus | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image | mc_mcm |
| 2034 |
 | Allied Development Co. - War Surplus | 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990 | Image | mc_mcm |
| 2035 |
 | Allied Materials Company-Equipment P.1 | 1974-07-18 | Image | dha_cp |
| 2036 |
 | Allied Materials Company-Equipment P.10 | 1974-07-18 | Image | dha_cp |
| 2037 |
 | Allied Materials Company-Equipment P.11 | 1974-07-18 | Image | dha_cp |
| 2038 |
 | Allied Materials Company-Equipment P.4 | 1974-07-18 | Image | dha_cp |
| 2039 |
 | Allied Materials Company-Equipment P.5 | 1974-07-18 | Image | dha_cp |
| 2040 |
 | Allied Materials Company-Equipment P.6 | 1974-07-18 | Image | dha_cp |
| 2041 |
 | Allied Materials Company-Equipment P.7 | 1974-07-18 | Image | dha_cp |
| 2042 |
 | Allied Materials Company-Equipment P.8 | 1974-07-18 | Image | dha_cp |
| 2043 |
 | Allied Materials Company-Equipment P.9 | 1974-07-18 | Image | dha_cp |
| 2044 |
 | Allied War Surplus | 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960 | Image | mc_mcm |
| 2045 |
 | Allis Chalmers Company | 1906-08-15 | Image | dha_scp |
| 2046 |
 | Allotment of former military reserve | 1913-04-02 | Text | uaida_main |
| 2047 |
 | Allred, Horace L. | 1947 | Image/StillImage | dha_uslp |
| 2048 |
 | Allreds Food Center P.1 | 1947-02-12 | Image/StillImage | dha_cp |
| 2049 |
 | Allsop--Jensen House | 1996-08-08 | Text | dha_unrnf |
| 2050 |
 | Alma Crosby | Image | dha_cp |