Encyclopedias, Almanacs, Transcripts, and Maps
- Rectangle
- Recurrent Spontaneous Psychokinesis (RSP)
- Red Cap (of Witches)
- Red Giant Star
- Red Giant Star
- Red Man
- Red Pigs
- Redfield, James (1950-)
- Redshift
- Redshift
- Reese, Bert (1851-1926)
- Reeves, M
- Reference Sample
- Reflections
- Reflections
- Reflectograph
- Refrigerated Trucks and Railway Cars
- Refrigerated Trucks and Railway Cars
- Refsum disease
- Refsum Disease