- Islandora Repository
- Mss.B.B61_K
- Kittridge, George L.: From Boas. 1918 Mar. 12
- Kittridge, George L.: From Boas. 1918 Mar. 20
- Kittridge, George L.: From Boas. 1921 Dec. 5
- Kittridge, George L.: To Boas. 1908 Dec. 23
- Kittridge, George L.: To Boas. 1908 Feb. 21
- Kittridge, George L.: To Boas. 1908 Jan. 21
- Kittridge, George L.: To Boas. 1908 June 6
- Kittridge, George L.: To Boas. 1908 Nov. 13
- Kittridge, George L.: To Boas. 1908 Oct. 17
- Kittridge, George L.: To Boas. 1908 Oct. 2
- Kittridge, George L.: To Boas. 1908 Oct. 8
- Kittridge, George L.: To Boas. 1909 Apr. 10
