Correspondence of Armstrong with various anthropologists and linguists, pertaining to the formation of the Committee on Research in American Native Languages, its grants, and resulting publications. Correspondents include Leonard Bloomfield, Franz Boas, J. McKeen Cattell, Pliny Earle Goddard, Charles H. Haskins, J. W. Hewitt, Melville Jacobs, Roland C. Kent, Alfred L. Kroeber, Waldo G. Leland, Robert M. Lester, Fang-Kuei Li, Adrien G. Morice, William A. Oldfather, Gladys A. Reichard, Edward Sapir, Edgar H. Sturtevant, John R. Swanton, and Walter F. Willcox. Restricted.