TY - BOOK ID - 133881278 TI - Revised Library of Congress subject headings : cross-references from former to current subject headings PY - 1991 PB - Washington, D.C. : Cataloging Distribution Service, Library of Congress, DB - UniCat KW - Subject headings, Library of Congress KW - Cross references (Information retrieval) KW - Vedettes-matière de la Library of Congress KW - Renvois réciproques UR - https://www.unicat.be/uniCat?func=search&query=sysid:133881278 AB - ER -