TY  - BOOK
ED  - Library of Congress.
TI  - Revised Library of Congress subject headings: cross-references from former to current subject headings
PY  - 1991///
CY  - Washington, D.C.
PB  - Cataloging Distribution Service, Library of Congress
KW  - Subject headings, Library of Congress
KW  - Local
KW  - Cross references Cataloging
ER  -