- Islandora Repository
- Mss.B.B61_E
- Edel, May M. (May Mandelbaum): To Boas. 1940 July 3
- Edel, May M. (May Mandelbaum): To Boas. 1940 Sept. 5
- Edel, May M. (May Mandelbaum): To Boas. 1941 Mar. 9
- Edel, May M. (May Mandelbaum): To Boas. undated
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1936 Apr. 16
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1936 Aug. 3
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 12
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 13
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 17
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 17
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 2
- Edel, Mrs. Bertha C. (Mrs. Leon): From Boas. 1939 July 6
