Encyclopedias, Almanacs, Transcripts, and Maps
- Rudolf of Hapsburg
- Rudolph
- Rudolstadt
- ruellia
- ruffed grouse
- Ruffo, Fabrizio
- Rufiji
- Ruggles, Samuel Bulkley
- Rugova, Ibrahim
- Ruhamah
- Rulers of France since 987 ( (table))
- Rulers of Spain since 1474 ( (table))
- Rulers of the Byzantine Empire ( (table))
- rules of order
- Rulfo, Juan
- Rumania
- Rumor, Mariano
- Runaway Youths
- Runciman, Walter Runciman, 1st Viscount
- Runnemede