Combined Bureau and Commission Index to Correspondents
| Series | Box | Folder | Folder Title |
| 1-1 | - | - | Legal Documents, 1876, 1878-1959, n.d. |
| 1-1 | F1 | 1 | Charter, By Laws, Articles of Incorporation, 1876, 1881, 1891, n.d. |
| 1-1 | - | - | Minutes of Meetings |
| 1-1 | F1 | 2 | 1878-1885 |
| 1-1 | F1 | 3 | 1885-1959 |
| 1-1 | - | - | Correspondence by Native American Authors |
| 1-1 | F1 | 4 | A: [1873-1966] |
| 1-1 | F1 | 5 | B: [1877-1969] |
| 1-1 | F1 | 6 | C: [1909-1934] |
| 1-1 | F1 | 7 | D: [1888-1966] |
| 1-1 | F1 | 8 | E: 1922 |
BCIM
Series 1-1
Facsimiles
| Series | Box | Folder | Folder Title |
| 1-1 | - | - | Correspondence by Native American Authors, continued |
| 1-1 | F1 | 9 | F: [1921-1939] |
| 1-1 | F1 | 10 | G: [1881-1951] |
| 1-1 | F1 | 11 | H: [1874-1957] |
| 1-1 | F1 | 12 | I: [1909-1936] |
| 1-1 | F2 | 1 | J: [1889-1955] |
| 1-1 | F2 | 2 | K: [1904-1929] |
| 1-1 | F2 | 3 | L: [1891-1971] |
| 1-1 | F2 | 4 | M: [1888-1961] |
| 1-1 | F2 | 5 | N: [1873-1968] |
BCIM
Series 1-1
Facsimiles
| Series | Box | Folder | Folder Title |
| 1-1 | - | - | Correspondence by Native American Authors, continued |
| 1-1 | F2 | 6 | O: [1889-1932] |
| 1-1 | F2 | 7 | P: [1874-1975] |
| 1-1 | F2 | 8 | Q: 1947 |
| 1-1 | F2 | 9 | R: [1891-1968] |
| 1-1 | F2 | 10 | S: [1873-1973] |
| 1-1 | F2 | 11 | T: [1874-1966] |
| 1-1 | F2 | 12 | V: [1907-1925] |
| 1-1 | F2 | 13 | W: [1897-1966] |
| 1-1 | F2 | 14 | Y: [1903-1944] |
| 1-1 | F2 | 15 | Z: 1913, 1972 |