Mss.B.B61_B

Barton, R.F.: From Boas. 1940 Dec. 30

Barton, R.F.: To Boas. 1930 Aug. 26

Barton, R.F.: To Boas. 1930 July 11

Barton, R.F.: To Boas. 1931 Dec. 31

Barton, R.F.: To Boas. 1940 Nov. 17

Barton, R.F.: To Boas. 1941 Mar. 10

Baruch, Bernard M.: See F.B. to Klenze, C. v.. 1936 June 15

Baruch, E. de M.: From Boas. 1932 Apr. 7

Baruch, Emanuel: To Boas. 1906 Mar. 9

Barus, Carl: From Boas. 1923 Feb. 5

Barus, Carl: From Boas. 1923 Mar. 2

Barus, Carl: To Boas. 1920 Apr. 13