| Rules of Conciliation |
JUR 585 |
| Ruminant Husbandry |
LAN 680 |
| Runner, Turbine |
MAS 571 |
| Running |
SPO 191 |
| Rural Area |
RPL 840 |
| Rural Development |
LAN 008 |
| Rural Dwellings / Buildings |
ARC 478 |
| Rural Economics |
RPL 730 |
| Rural Exodus |
GEO 058 |
| Rural Renewal |
BAU 645 |
| Rural Restructuring |
BAU 643 |
| Rural Roads |
BAU 809 |
| Rural Structure and Rural Economics |
RPL 700 |
| Rush-Hour Traffic, Geography |
GEO 095 |
| Russia, Architecture |
ARC 986 |
| Russia, History of Architecture |
ARC 986 |
| Russia, Museums |
KUN 364 |
| Russian Art |
KUN 355 |
| Russian Federation, Geography |
GEO 252 |
| Russian Federation, Geography |
GEO 253 |
| Russian Federation, Politics |
POL 790 |
| Russian Language |
LIN 620 |
| Russian Literature |
LIT 620 |
| Ruthenium |
CHE 376 |
| Rutherfordium |
CHE 372 |
| Rydberg States |
PHY 503 |
| Ryotrons |
ELT 372 |