clay, adhesive, emulsifier, artificial ivory, millwork, nylon. (Hierarchy: Materials) Objects – objects either fabricated or given form by human activity, such as paintings, amphorae, facades, cathedrals, Brewster Chairs, gardens (Hierarchies: Object Groupings and Systems, Object Genres, Components; Built Environment: Settlements and Landscapes, Built Complexes and Districts, Single Built Works, Open Spaces and Site Elements; Furnishings and Equipment: Furnishings, Costume, Tools and Equipment, Weapons and Ammunition, Measuring Devices, Containers, Sound Devices, Recreational Artifacts, Transportation Vehicles; Visual and Verbal Communication: Visual Works, Exchange Media, Information Forms) Online records of concepts showing the hierarchy in the database The record for each concept includes its place in the hierarchy (with a link to its parent), as well as links to related terms, related concepts, sources and contributors for the data, and notes. See also Categories for the Description of Works of Art (CDWA) Cultural Objects Name Authority (CONA) Getty Thesaurus of Geographic Names (TGN) Getty Vocabulary Program Union List of Artist Names (ULAN) References External links Art & Architecture Thesaurus Online Search the AAT online for free. About the Getty Vocabularies About AAT Getty Vocabulary Editorial Guidelines The editorial guidelines for the AAT, ULAN, and TGN contain rules and guidelines intended for use by the editors of the Getty Vocabulary Program using the in-house editorial system, VCS (Vocabulary Coordination System). Contributors to the Getty Vocabularies and implementers of the licensed vocabulary data may consult these guidelines as well. Training materials and presentations created by the Getty Vocabulary Program The documents on this page include presentations and other training materials for the Getty Thesaurus of Geographic Names (TGN), the Union List of Artist Names (ULAN), the Art & Architecture Thesaurus (AAT), Cataloging Cultural Objects (CCO), Categories for the Description of Works of Art (CDWA), and standards in general. AAT as Linked Open Data, documentation Thesauri Controlled vocabularies J. Paul Getty Trust Museum books Arts databases Open data