Subject
- Rosenburg, Otto1
- Royal Institution of Great Britain1
- Rush, Joseph Harold, 1911-20061
- Russell, Frank C.1
- Russia (Federation)--Saint Petersburg1
- Rutherford, Ernest, 1871-19371
- Ruzicka, Leopold, 1887-19761
- Röhmann, Franz, 1856-19191
- S. Hirzel Verlag1
- Sailing1
- Salomon, Wilhelm, 1868-19411
- San (African people)1
- Sasaki, Takaoki, 1878-19661
- Schiff, Leonard I. (Leonard Isaac), 1915-19711
- Schleiermacher, August, 1857-19531
- Schlichter, Rudolf, 1890-19551
- Schloss Cecilienhof1
- Schloss Karlsruhe (Karlsruhe, Germany)1
- Schloss Sanssouci (Potsdam, Germany)1
- Schmidt, W. A.1