Encyclopedias, Almanacs, Transcripts, and Maps
- Rhenish Palatinate
- Rhenish Prussia
- Rhenish Slate Mountains
- rhesus monkey
- Rheydt
- Rhine Canals
- Rhine Province
- Rhinebeck
- Rhinns of Galloway
- rhobuck
- Rhode Island Red chicken
- Rhode Island, University of
- Rhoden, Ausser and Inner
- Rhodes, Knights of
- Rhodesian man
- Rhodesian ridgeback
- rhodora
- Rhoecus
- Rhondda, David Alfred Thomas, 1st Viscount
- rhythm, biological