Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations (hierarchy name)
4. organizations (groups)

Narrower term/s

• public institutions
• social institutions
• [institutions by activity][+]
  • repositories (institutions)
  • libraries (institutions) [+]
    • Carnegie libraries (institutions)
    • reference libraries (institutions)
    • children's libraries (institutions)
    • depository libraries (institutions)
    • film libraries (institutions)
    • picture libraries (institutions)
    • national libraries (institutions)
    • private libraries (institutions)
    • public libraries (institutions)
    • state libraries (institutions)
    • branch libraries (institutions)
    • academic libraries (institutions)
    • media centers (institutions)
    • special libraries (institutions)
    • corporate libraries (institutions)
    • research libraries (institutions)
    • film archives (institutions)
    • art libraries (institutions)
    • digital libraries
    • library systems
  • archives (institutions) [+]
    • digital archives (institutions)
    • film archives (institutions) [NP]
    • sound archives (institutions)
  • museums (institutions) [+]
    • presidential libraries (institutions)
    • art museums (institutions) [+]
      • pinacotecas
    • fishery museums (institutions)
    • history museums (institutions)
    • museums of moving images (institutions)
    • philatelic museums (institutions)
    • religious museums (institutions)
    • wax museums (institutions)
    • ecomuseums (institutions)
    • historical society museums (institutions)
    • historic house museums (institutions)
    • industrial museums (institutions)
    • maritime museums (institutions)
    • military museums (institutions)
    • community museums (institutions)
    • company museums (institutions)
    • county museums (institutions)
    • international museums (institutions)
    • national museums (institutions)
    • children's museums (institutions)
    • natural history museums (institutions)
    • science museums (institutions)
    • naval museums (institutions)
    • geological museums (institutions)
    • virtual museums
    • transportation museums (institutions) [+]
      • aeronautical museums (institutions)
      • astronautical museums (institutions)
      • automotive museums (institutions)
      • carriage museums (institutions)
    • ethnographic museums (institutions)
  • aquariums (institutions) [+]
    • public aquariums (aquariums)
  • financial institutions (institutions) [+]
    • clearinghouses (financial)
    • banks (institutions)
  • planetaria (institutions)
  • theaters (institutions) [+]
    • municipal theatres
  • zoos (institutions)
  • visual resources collections [+]
    • photo archives
  • research institutes (institutions)
  • research centers (institutions)
  • [health and welfare institutions] [+]
    • hospitals (institutions, health facility)
    • hospitals (institutions for pilgrims)
    • clinics (institutions, medical)
    • almonries (institutions) [NP]
  • religious institutions [+]
    • temples (institutions)
    • synagogues (institutions)
    • mosques (institutions)
    • churches (institutions)
    • monasteries (institutions)
  • correctional institutions (institutions) [+]
    • jails (institutions)
    • prisons (institutions)
    • reformatories (institutions)
    • workhouses (institutions)
    • federal prisons (institutions)
    • military prisons (institutions)
    • state prisons (institutions)
    • almshouses (institutions)
    • almonries (institutions)
    • houses of correction (institutions)
    • penitentiaries (institutions)
  • cultural centers (institutions)
  • conservation centers (institutions)
  • educational institutions [+]
    • schools (institutions) [+]
      • academies (institutions)
      • art schools (institutions)
      • universities (institutions) [+]
      • colleges (institutions) [+]
      • boarding schools (institutions)
      • community schools (institutions)
      • consolidated schools (institutions)
      • day schools (institutions)
      • educational centers (institutions)
      • free schools (institutions)
      • manèges (institutions)
      • riding schools (institutions)
      • military academies (institutions) [+]
      • play schools (institutions)
      • police academies (institutions)
      • rural schools (institutions)
      • business schools (institutions)
      • dental schools (institutions)
      • law schools (institutions)
      • medical schools (institutions)
      • music schools (institutions)
      • vocational schools (institutions)
      • music conservatories (institutions)
      • private schools (institutions)
      • public schools (institutions)
      • preparatory schools (institutions) [+]
      • secondary schools (institutions) [+]
      • elementary schools (institutions)
      • middle schools (institutions)
      • lycées (institutions)
      • continuing education centers (institutions)
      • lyceums (institutions)
      • pre-primary schools (institutions) [+]
      • religious schools (institutions) [+]
      • ballet schools
      • grammar schools (institutions, secondary schools)
      • graduate schools (institutions)
      • undergraduate schools (institutions)
      • school systems
      • dance schools (institutions)
  • opera companies
  • cabarets (institutions)
  • gardens (institutions)
  • transit systems (administrative)
  • railroads (administrative)
  • dance companies
  • parks (institutions)
  • collections (repositories) [+]
    • special collections (repositories)
    • private collections (repositories)
  • laboratories (organizations)
  • science laboratories (organizations)
  • centers (organizations)
  • galleries (institutions) [+]
    • art galleries (institutions)

Anotations

Scope note:

Formally structured organizations, establishments, or associations created for the promotion of a specific benevolent public or private objective, usually a religious, charitable, or educational objective, such as a church, school, college, hospital, asylum, reformatory, mission, or the like.