Library of Congress classification schedules, a cumulation of additions and changes through 1981, Class Z : bibliography and library science 2026-02-16T05:25:35+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Savage, Helen, 1915- (Gale Research Co., 1982)