- Islandora Repository
- Mss.B.B61_I
- Ippolito, Carmela: To Boas. 1920 Sept. 29
- Irish, W.E.: To Boas. 1931 Mar. 6
- Irons, Hubert D.: From Boas. 1934 Apr. 12
- Irons, Hubert D.: From Boas. 1934 Mar. 8
- Irons, Hubert D.: To Boas. 1934 Apr. 9
- Irons, Hubert D.: To Boas. 1934 Mar. 7
- Irwin, Theodore: To Boas. 1938 June 14
- Isaacs, Stanley M.: From Boas. 1940 Mar. 18
- Isaacson, Charles D.: From Boas. 1931 Sept. 3
- Isaacson, Charles D.: To Boas. 1931 Sept. 2
- Israel Matz Foundation: From Boas. 1940 Apr. 2
- Israel Matz Foundation: To Boas. 1940 Apr. 11
