Object class
- Information artifacts1,992 objects
- Information artifacts by physical form1,992 objects
- Recordings1,992 objects
- Sound recordings1,992 objects
- Audio reel tapes1,069 objects
- Audio cylinders905 objects
- Musical instruments15 objects
- Sound devices (equipment)15 objects
- Drums (membranophones)11 objects
- Membranophones (drums and other instruments that produce sound via vibrating membranes)11 objects
- Phonograph records8 objects
- Wire recordings6 objects
- Aerophones (wind instruments)4 objects
- Audiocassettes4 objects
- Audiotapes4 objects
- Flutes (aerophones)4 objects
- Placeholder record (no associated object)2 objects
- Record Status (hierarchy name)2 objects
- Documents by form1 objects
- Documents for musical works1 objects