Object class
- Information artifacts57 objects
- Information artifacts by physical form57 objects
- Recordings57 objects
- Sound recordings57 objects
- Audio reel tapes36 objects
- Audio cylinders20 objects
- Drums (membranophones)4 objects
- Membranophones (drums and other instruments that produce sound via vibrating membranes)4 objects
- Musical instruments4 objects
- Sound devices (equipment)4 objects
- Phonograph records1 objects
- Placeholder record (no associated object)1 objects
- Record Status (hierarchy name)1 objects