Winchell Constance M. Reference books of 1938-1940 - ala American Library Association USA 1941 - 114 cm. - Supplement to 27 Muge : guide to reference books . Standard No.: 9,569 Source: Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 27aN4, H1-;1 (2D)