TY  - GEN
ED  - Library of Congress
TI  - Subject headings used in the dictionary catalogs of the Library of Congress
U1  - 025.33 21
PY  - 1951///
CY  - Washington
PB  - Government Printing Office
KW  - ENCABEZAMIENTOS DE MATERIA
KW  - LEMB
N1  - v. 1. Supplement january-june 1951. -- v. 2. Supplement july-september 1951. -- v. 3. Supplement july-november 1951
ER  -