He was director of the reference department of the New York Public Library from 1937-1953, executive secretary of the Association of Research Libraries from 1942-46 and president of the American Library Association from 1947-48.
He was director of the reference department of the New York Public Library from 1937-1953-46 and president of the American Library Association from 1947-48. Executive secretary of the Association of Research Libraries from 1942 was 1953.