- Islandora Repository
- Mss.B.B61_B
- Baron, S.W.: From Boas. 1933 June 29
- Baron, S.W.: From Boas. 1935 June 3
- Barr, Alfred H., Jr.: To Boas. 1935 Mar. 13
- Barret, Laura: To Boas. 1938 Feb. 3
- Barrett, G.H.: G.H.B. -- to Danielson. 1912 July 10
- Barrett, G.H.: To Boas. 1913 May 12
- Barrett, H.J.: To Boas. 1933 Mar. 1
- Barrett, H.J.: To Boas. 1933 Nov. 17
- Barrett, John: From Boas. 1907 Dec. 11
- Barrett, John: From Boas. 1907 Dec. 26
- Barrett, John: From Boas. 1907 Dec. 6
- Barrett, John: From Boas. 1907 May 21