id author title date pages extension mime words sentences flesch summary cache txt work_74ab2yhge5cjhe4dggsahlg5cy Helen Tibbo The Epic Struggle: Subject Retrieval from Large Bibliographic Databases 1994 17 .pdf application/pdf 9809 936 65 This article discusses a retrieval study that focused on collection-level archival records in the OCLC Online Union Catalog, made accessible through the EPIC those materials "disappearing into a void." "Increasing Access to Archival Records in Library Online that focused on collection-level archival records in the OCLC Online Union Catalog, "For a detailed description of these fields, see Harriet Ostroff, "Subject Access to Archival and Manuscript Materials," American Archivist 53 (Winter many items or none at all.12 If subject headings applied to MARC AMC records incur archival community's investment in providing national access to materials, archivists must explore these large retrieval ice that provides access to several large databases.13 The database with which archivists are most concerned is the OCLC Online Union Catalog. electronic retrieval, OCLC takes each subject heading assigned to a book, archival limit retrieval to only records with this particular subject heading string. assistant searched the subject headings attached to each of these records in OCLC ./cache/work_74ab2yhge5cjhe4dggsahlg5cy.pdf ./txt/work_74ab2yhge5cjhe4dggsahlg5cy.txt