Winchell, Constance Mabel, 1896- <br/><br/>
Guide for reference books / 
by Constance M. Winchell. 
 - 7th ed 
 - Chicago :  American Library Association,  1951. 
 - xvii, 645 p. 
<br/><br/> Based on the Guide to reference books, 6th ed., by Isaore Gilbert Mudge. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography