ID.LOC.GOV provides both interactive and machine access to commonly used ontologies, controlled vocabularies, and other lists for bibliographic description. To search everything, use the search box below. Or, select from the list below to learn more and search only in that vocabulary.
Subjects, Thesauri, Classification
Geographic
Cataloging
- Aspect Ratio
- Authentication Action
- Book Format
- Broadcast Standard
- Carriers
- Color Content
- Content Types
- Description Conventions
- Sound Capture and Storage
- Encoding Format
- Encoding Level
- File Type
- Font Size
- Generation
- Government Publication Type
- Groove Width/Pitch/Cutting
- Illustrative Content
- Intended Audience
- Issuance
- Layout
- Media Types
- Music Notation
- Notated Music Form
- Note Type
- Playback
- Playing Speed
- Polarity
- Presentation Format
- Production Method
- Projection
- Publication Frequencies
- Recording Medium
- Recording Type
- Reduction Ratio
- Regional Encoding
- RBMS Relationship Designators
- Relationship
- Relators
- Relief
- Resource Components
- Scale
- Script
- Serial Publication Type
- Sound Content
- Special Playback Characteristics
- Status codes
- Supplementary Content
- Support Material
- Tactile Notation
- Tape Configuration
- Technique
- Video Format
Preservation Vocabularies
- Preservation Vocabs (all)
- Actions Granted
- Agent Type
- Event Outcome
- Preservation Level
- Content Location Type
- Copyright Status
- Cryptographic Hash Functions
- Environment Characteristic
- Environment Function Type
- Environment Purpose
- Environment Registry Role
- Event Related Agent Role
- Event Related Object Role
- Event Type
- Format Registry Role
- Hardware Type
- Inhibitor Target
- Inhibitor Type
- Linking Agent Role Event
- Linking Environment Role
- Object Category
- Preservation Level Role
- Relationship SubType
- Relationship Type
- Rights Basis
- Rights Related Agent Role
- Signature Encoding
- Signature Method
- Software Type
- Storage Medium
Other
- Accessibility Content Source Codes
- Access Restriction Term Source Codes
- Fingerprint Scheme Source Codes
- Language Code and Term Source Codes
- Musical Composition Form Code Source Codes
- Musical Instrumentation and Voice Code Source Codes
- Name and Title Authority Source Codes
- National Bibliography Number Source Codes
- Resource Types Scheme
- Standard Identifier Schemes