Education, New York Public Library School, 1919; early library experiences; University of Michigan, 1920-1923; reference work, inter-library loans; American Library in Paris, 1924; Columbia University Library from 1925; Reference Department, move from Low Library to Butler Library; library school; GUIDE TO REFERENCE BOOKS; American Library Association. Impressions of Miss Isadore G. Mudge, Presiden t Nicholas Murray Butler
Women librarians; Librarians; Academic libraries; Reference services (Libraries); Winchell, Constance M. (Constance Mabel), 1896-1983; Columbia University; American Library Association