Thesaurus
controlled vocabulary expanded with relations of broader, narrower and related terms, serving subject indexing and vocabulary control
Cultural Objects Name Authority
General Multilingual Environmental Thesaurus
Common Procurement Vocabulary
Getty Thesaurus of Geographic Names
Thesaurus for the Social Sciences
National Agricultural Library Thesaurus
Medical Subject Headings
conceptual dictionary
word net
General Finnish Ontology
Global Product Classification
Art & Architecture Thesaurus
Helsinki term bank for the arts and sciences