- Islandora Repository
- Mss.B.B61_N
- Newell, William Wells: To Boas. 1899 Feb. 21
- Newell, William Wells: To Boas. 1899 Mar. 8
- Newell, William Wells: To Boas. 1899 May 19
- Newell, William Wells: To Boas. 1899 May 30
- Newell, William Wells: To Boas. 1903 Dec. 27
- Newell, William Wells: To Boas. 1903 Dec. 8
- Newell, William Wells: To Boas. 1903 Nov. 28
- Newell, William Wells: To Boas. 1904 Dec. 23
- Newell, William Wells: To Boas. 1905 Aug. 1
- Newell, William Wells: To Boas. 1905 August 4
- Newell, William Wells: To Boas. 1905 June 12
- Newell, William Wells: To Boas. 1905 Mar. 1
