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The Library of Congress > Cataloging, Acquisitions > PCC > SACO > An Alphabetic List of Ambiguous Entities

An Alphabetic List of Ambiguous Entities

Name vs. Subject file where to establish what (Based on Subject Headings Manual H 405, February, 2008, updated August 2010)

NOTE:  This list is not exhaustive!

Heading MARC 21 Tag Contribute Through Formulate Using
NACO
(Group 1)		 SACO
(Group 2)		 AACR2
LCRIs		 SHM

Abbeys

110 X   X  

Academies

110 X   X  

Airplanes, Named

110 X   X  

Airports

110 X   X
LCRI24.1, p.6		  

Almshouses

110 X   X  

Amusements parks

151   X   X

Apartment houses

110   X   X

Aquariums, Public

110 X   X  
Aqueducts 151   X   X

Arboretums

110 X   X  
Arches 150   X   X
Arenas 110   X   X

Armories

110   X   X

Art works, Individual

100,110,130

X   X
LCRI25.3A		  

Artificial satellites

110 X   X  

Artists' groups

150   X   X

Asian conglomerate corporations

110   X   X

Astronomical features (asteroids, comets, galaxies, planets, etc.)

151   X   X
Asylums (Charitable institutions) 110 X   X  
Athletic contests 111 X   X  

Auditoriums

110   X   X

Awards

150   X   X

Banks

110 X   X  
Bars 110 X   X  

Bathhouses

110   X   X

Baths, Ancient

110   X   X

Biblical characters

100 X   X  

Biological stations

110 X   X  

Boards of trade (Chambers of commerce)

110 X   X  

Botanical gardens

110 X   X  

Bridges

151   X   X

Broadcasting stations

110 X   X  

Building details

150

  X   X

Buildings, Private

110   X   X

Buildings occupied by corporate bodies

110   X   X

Bus terminals

110   X   X

Camps

151   X   X

Canals

151   X   X

Capitols

110   X   X

Castles

110   X   X

Cathedrals

110 X   X  

Celestial bodies

151   X   X
Cemeteries 110 X   X
LCRI24.1, p. 6 		 

Chambers of commerce

110 X   X  

Chapels

110 X   X  

Churches (in use or in ruins)

110 X   X  

Circuses

110

X

 

X

 

Cities, Extinct (Pre-1500)

151   X   X
SCM H715

City halls

110   X   X

City sections

151 X   X
LCRI23.4F2		  

Civic centers

110   X   X

Clans

100   X   X

Club houses

110   X   X

Coliseums

110   X   X

Collections, Public or Private

110   X   X

Collective farms

151   X   X

Collective settlements

151 X   X  

Colleges

110 X   X  

Comic strips

130 X   X  

Communes

151 X   X  

Community centers

110   X   X

Competitions

111 X   X  

Computer languages

150   X   X

Computer networks

150   X   X

Computer programs and software

130 X   X  

Computer systems

150   X   X

Concentration camps

110 X   X
LCRI24.1, p.7		  

Concert halls

110 X   X  

Conservation districts

151 X   X  

Contests

111 X   X  

Convention centers

110   X   X

Convents

110 X   X  

Correctional institutions

110 X   X  

Country clubs

110 X   X  

Courthouses

110   X   X

Crematories

110 X   X  

Customhouses

110   X   X

Dance halls

110 X   X  

Denominations, Religious (individual)

110 X   X  

Details, Building

150

 

X

 

X

Dispensaries

110 X   X  

Docks

151   X   X

Doors

150

 

X

 

X

Dwellings

110   X   X
Ecclesiastical entities that are also names of places, e.g. (Catholic Church. Diocese of Basel (Switzerland)) 110 X   X  

Ecological stations

110 X   X  

Educational institutions

110 X   X  

Electronic discussion groups

130

X

 

X

 

Embassies

110 X   X  

Estates

151   X   X

Events (generic; no formal name; not repeatable -- funerals)

150   X   X

Events (named) (events that are formally convened, etc.)

111 X   X
LCRI24.7-24.8		  

Exhibition buildings

110   X   X

Exhibitions

111 X   X  

Expeditions, Military

111 X   X  

Expeditions, Scientific

111 X   X  

Experiment stations

110 X   X  

Expositions

111 X   X  

Factories

110 X   X  

Fairgrounds

151

 

X

 

X

Fairs

111 X   X  

Families

100   X   X

Farms

151   X   X

Feasts

150   X   X

Ferry buildings

110   X   X

Festivals and celebrations

111 X  

X

 

Fire stations

110   X   X

Fish hatcheries

110

X

 

X

 

Folk festivals and celebrations

111 X   X  

Forest districts

151

X

 

X

 

Forests

151   X   X

Funds

110

X

 

X

 

Fortresses (Structures)

151   X   X

Fountains

150

 

X

 

X

Funeral homes, mortuaries

110 X   X  

Galleries

110 X   X  

Games (Events)

111 X   X  

Gangs (Named)

110

X

X

X

Gardens

151   X   X

Gates

150

 

X

 

X

Golf courses

151

 

X

 

X

Grain elevators

110   X   X

Gymnasiums

110   X   X

Halfway houses

110 X   X  

Hazardous waste sites

151   X   X
Helplines, hotlines 110 X   X  

Herbariums

110 X   X  

Highways

151   X   X

Historic sites (incl. historic districts not in cities)

151   X   X

Hospitals

110 X   X  

Hotels

110 X   X  

Immigration stations

110   X   X

Islands, Non-jurisdictional

151   X   X

Individual works of art

100, 110 or 130

X

  X
LCRI25.6		  

Jurisdictions, Ancient (other than cities)

151

X

X

 

Laboratories

110 X   X  

Land grants

151   X   X

Libraries

110 X   X  

Library districts

110

X

 

X

 

Lighthouses

110   X   X

Manors

110   X   X

Mansions

110   X   X

Market buildings

110   X   X

Markets

110 X   X  

Military installations (Active: also all after 1899)

151 X   X  

Military installations (Before 1900 and inactive)

151   X   X

Mine buildings

110   X   X

Mines

151   X   X

Mining districts

151

X

 

X

 

Mints

110   X   X

Monasteries

110 X   X  

Monuments (Structures, statues, etc.)

150   X   X

Morgues

110 X   X  

Mosques

110

X

 

X

 

Motels

110 X   X  

Motion pictures

130 X   X  

Museums

110 X   X  

Music halls

110  

X

 

X

Night clubs

110 X   X  

Nursing homes

110 X   X  

Observatories

110 X   X  

Office buildings

110   X   X

Official residences

110   X   X

Old age homes

110 X   X  

Opera houses

110 X   X  

Orphanages

110 X   X  

Palaces

110   X   X

Parades

111 X   X  

Park districts

151 X   X  
Parks (administrative agencies) 110 X   X  

Parks (geographic entities)

 151   X   X
Pavilions 110   X   X
Pipelines 151   X   X

Planetariums

110 X   X  
Planned communities 151 X   X  

Plans (Programs)

110 X   X
LCRI24.1, p.8		  

Playgrounds

151   X   X

Plazas (Open spaces squares etc.)

151   X   X

Police stations

110   X   X

Pools, Public

151   X   X

Poorhouses

110 X   X  

Port authorities

110 X   X  

Ports (Physical facilities)

151   X   X

Post offices

110   X   X
Posthouses 110   X   X

Power plants

110   X   X

Presidential mansions

110   X   X

Prisons

110 X   X  

Projects, plans, etc.

110 X   X  

Public celebrations, pageants, anniversaries

111 X   X  

Publisher's imprints

110

X

 

X

 

Public comfort stations

110   X   X

Pueblos

151 X   X  

Races (Contests)

111 X   X  

Racetracks

110

 

X

 

X

Radio programs

130 X   X  

Railroads

110 X   X  

Railway stations

110   X   X

Ranches

151   X   X

Recreation areas

151   X   X

Recreation districts

151 X   X  

Refugee camps

110 X   X  

Religious denominations

110 X   X  

Research stations

110 X   X  

Reservations, Indian

151   X   X

Reserves (Administrative agencies)

 110 X   X X
Reserves (Parks, forests, etc.) 151   X   X

Resorts

110   X   X

Restaurants

110 X   X  

Roads

151   X   X

Rooms

150   X   X

Sanatoriums

110

X

 

X

 

Sanitary landfills

151   X   X

Sanitation districts

151 X   X  

Sanitariums (also spelled: Sanatoriums)

110 X   X  

Satellites (i.e., moons)

151

X

 

X

Satellites, Artificial

110

X

 

X

 

School districts

110 X   X  

Schools

110 X   X  

Schools of artists

150   X   X

Service stations

110 X  

X

 

Ships

110 X   X  

Shipyards

110 X   X  

Shopping centers

110   X   X

Shows (Exhibitions)

111 X   X  

Shrines (not churches)

150   X   X

Software, Computer

130 X   X  

Sound recording labels

110

X

 

X

 

Space vehicles

110 X   X  

Spas

110   X   X

Sports arenas

110   X   X

Sports facilities

110

 

X

 

X

Sporting events

111 X   X  

Stadiums

110   X   X

Stagecoach stations

110

 

X

 

X

Stock exchanges

110 X   X  

Stores, Retail

110 X   X  

Streets

151   X   X

Structures (non-geographic, e.g. towers)

150   X   X

Studies (Research Projects)

110 X   X  

Synagogues

110

X

 

X

 

Television programs

130 X   X  

Temples (in ruins)

110   X   X

Temples (in use)

110 X   X  

Terminal buildings

110   X   X

Theater buildings

110   X   X

Theater companies

110 X   X  

Theme parks

151   X   X

Tombs

150   X   X

Tournaments

111 X   X  

Towers

150

 

X

 

X

Trails

151   X   X

Tribes (as legal entities; U. S. only)

151 X   X  

Tribes (Ethnic groups)

150   X   X

Truck stops

110

X

 

X

 

Tunnels

151   X   X

Undertakers

110 X   X  

Universities

110 X   X  

Utility districts

151 X   X  

Villas

110   X   X

Walls

150

 

X

 

X

Water districts

151 X   X  

Waterways

151   X   X
Web sites 130 X   X  
Wells 151   X   X

Works of art, Individual

100, 110 or 130

 

X

 

Zoological gardens

110 X   X  

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