TY  - GEN
AU  - Winchell,Constance Mabel
AU  - Mudge,Isadore Gilbert
TI  - Reference books of 1938-1940
U1  - 028.7 21
PY  - 1941///
CY  - Chicago, Ill.
PB  - American Library Association
KW  - LIBROS DE CONSULTA
KW  - BIBLIOGRAFÍAS
KW  - LIBROS DE REFERENCIA
KW  - BIBLIOGRAFIAS
N1  - Second informal supplement to guide to reference books, sixth edition, by Isadore Gilbert Mudge
ER  -