• Bibliographic services
• Clearing houses
• Data centres
• Educational management information systems
• Information services
• Integrated information systems
• International information systems
• Legal information systems
• Management information systems
• National information systems
• Online information systems
• Reference services
• Scientific information systems

• Archives
• Information/library networks
• Information processing
• Information retrieval
• Information systems evaluation
• Libraries

• Documentary information systems
• Documentation systems
• IS

• Information and communication > Documentary information systems

http://vocabularies.unesco.org/thesaurus/concept493