Search Results       Your search for [subject]Retrospective conversion (Cataloging) -- United States returned 1 record.           Conversion of retrospective catalog records to machine-readable form : a study of the feasibility of a national bibliographic service. Washington: Library of Congress, 1969. Subject: MARC formats -- United States; Retrospective conversion (Cataloging) -- United States.          Add to Book Cart Relevance: 29.57%