31309558controlled vocabulariesPT2026-03-30 20:23:22UF31309559controlled vocabularyNDBT31359448reference sourcesPTBT31300179vocabularyPTNT31328269thesauriPTNT31328278authority filesPTNT31328281taxonomiesPTNT31328272controlled listsPTNT31328274synonym ringsPTNT31328276subject headingsPTNT31323143[components for controlled vocabularies]PTNT31328283indexing languagesPTRT31309560ontologiesPTRT31309562folksonomiesPTRT31482621controlled termsPT