Object class
- Footwear by function1 objects
- Game pieces (game elements)1 objects
- Recreational Artifacts (hierarchy name)1 objects
- Recreational artifacts (equipment)1 objects
- Reedpipes (confined aerophones)1 objects
- Reedpipes with single reed1 objects
- Reedpipes with single reed: with cylindrical bore1 objects
- Reeds (aerophones)1 objects