TY  - BOOK
AU  - Winchell,Constance Mabel,1896-
TI  - Guide for reference books
PY  - 1951///
CY  - Chicago
PB  - American Library Association
KW  - Reference books
KW  - Bibliography
N1  - Based on the Guide to reference books, 6th ed., by Isaore Gilbert Mudge
ER  -