- Islandora Repository
- Mss.B.B61_E
- Ekerold, Hagbard: To Boas. 1924 Nov. 13
- El Imparcial: To Boas. 1912 Mar. 16
- Eliasberg, Wladimir: From Boas. 1938 Nov. 14
- Eliasberg, Wladimir: To Boas. 1938 Nov. 15
- Eliasberg, Wladimir: To Boas. 1938 Nov. 7
- Eliot, Charles W.: From Boas. 1901 May 29
- Eliot, Charles W.: From Boas. 1905 Jan. 11
- Eliot, Charles W.: From Boas. 1916 Mar. 15
- Eliot, Charles W.: From Boas. 1920 Feb. 9
- Eliot, Charles W.: From Boas. 1920 Mar. 1
- Eliot, Martha M.: From Boas. 1941 July 31
- Eliot, Martha M.: To Boas. 1924 Dec. 18
