Encyclopedias, Almanacs, Transcripts, and Maps
- Royal American Regiment
- Royal Dutch-Indisch Army
- Royal Government in America
- Royal Greens
- Royal Highland Emigrants
- Royal Little
- Royal Society, American Involvement
- Rubber, Africa
- Rubem Fonseca
- Rubenstein, Bill
- Ruble Control
- Ruble Zone
- Rude, François
- Rudolf Diesel
- Rudolf Salzmann Slánský
- Rudolf Scharping
- Rudolf, Crown Prince of Austria
- Rudolph Nureyev
- Rudolph, John
- Rudolph, Michael