Object class
- Information artifacts8,110 objects
- Information artifacts by physical form8,110 objects
- Recordings8,110 objects
- Sound recordings8,110 objects
- Audio cylinders4,054 objects
- Audio reel tapes3,989 objects
- Negatives (photographs)432 objects
- Photographs432 objects
- Glass plate negatives428 objects
- Musical instruments80 objects
- Sound devices (equipment)80 objects
- Phonograph records55 objects
- Drums (membranophones)53 objects
- Membranophones (drums and other instruments that produce sound via vibrating membranes)53 objects
- Aerophones (wind instruments)23 objects
- Flutes (aerophones)23 objects
- Wire recordings8 objects
- Idiophones (instruments that produce sound by vibrating the instruments themselves)5 objects
- Placeholder record (no associated object)5 objects
- Record Status (hierarchy name)5 objects