Winchell, Constance Mabel,  1896- <br/><br/>
Guide to reference book / 
Constance Mabel Winchell. 
 - 7th ed. 
 - Chicago :  American Library Association ,  1951. 
 - xvii, 645 p. ;  28 cm. 
<br/><br/> "Based on the Guide to reference books, sixth edition, by Isadore Gi lbert Mudge."  -----Supplement, 1950-1952, by Constance M. Winchell and Olive A. Jo hnson. Chicago, American Library Association, 1954. 117 p. 28 cm  ------Third supplement, 1956-1958. Chicago, American Library Associa tion, 1960. 4 p.l., 145 p. 28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography
<br/><br/><label>Dewey Class. No.: </label>016 WIN