- Islandora Repository
- Mss.B.B61_H
- Hale, Horatio: To Boas. 1889 Aug. 3
- Hale, Horatio: To Boas. 1889 Dec. 10
- Hale, Horatio: To Boas. 1889 Dec. 2
- Hale, Horatio: To Boas. 1889 Dec. 27
- Hale, Horatio: To Boas. 1889 Feb. 25
- Hale, Horatio: To Boas. 1889 Jan. 14
- Hale, Horatio: To Boas. 1889 Jan. 22
- Hale, Horatio: To Boas. 1889 July 12
- Hale, Horatio: To Boas. 1889 July 12
- Hale, Horatio: To Boas. 1889 July 13
- Hale, Horatio: To Boas. 1889 July 16
- Hale, Horatio: To Boas. 1889 July 29
