Dictionaries, Thesauruses, Pictures, and Press Releases
- Roozeboom, Hendrik Willem Bakhuis
- rope bomb
- Rosa, Daniele
- Rosanes, Jakob
- Roscoe, Henry Enfield
- rose apple
- rose bedeguar
- rose bedeguar
- rose beetle
- rose quartz
- Rose, Heinrich
- rosefinches
- Rosenberg, Hans Oswald
- Rosenberger, Johann Karl Ferdinand
- Rosenberger, Otto August
- Rosenblueth, Arturo
- Rosenbusch, Harry (Karl Heinrich Ferdinand)
- Rosenhain, Johann Georg
- Rosenhain, Walter
- Rosenheim, Arthur