| Rock Salt, Extraction |
BER 730 |
| Rocket Engineering and Astronautics |
VER 700 |
| Rocket Engines |
VER 720 |
| Rocket Fuels |
CIT 640 |
| Rocket Technology, Ground Station |
VER 900 |
| Rocket Technology, Military |
WEH 850 |
| Rockets According to Type of Propulsion |
VER 720 |
| Rockets, Aerodynamics |
VER 760 |
| Rockets, Chemical Engines |
VER 726 |
| Rockets, Plasma Propulsion |
VER 732 |
| Rockets, Solar (Cell) Powered Propulsion |
VER 732 |
| Rocks |
IND 055 |
| Rocks, Characteristics |
BER 270 |
| Rocks, Crushability |
BER 270 |
| Rocks, Magmatic |
GEO 441 |
| Rococo Era, History of Architecture |
ARC 917 |
| Rococo, Art |
KUN 032 |
| Rococo, Painting |
KUN 061 |
| Rococo, Sculptures |
KUN 046 |
| Rogs, Associative |
MAT 160 |
| Role Behavior |
PSY 405 |
| Role-Playing |
EDU 250 |
| Roll Welding |
FER 555 |
| Roller Bearings |
MAS 210 |
| Roller Gears |
MAS 325 |
| Roller Sports |
SPO 250 |
| Rolling |
FER 340 |
| Rolling Mill Technology |
FER 340 |
| Rolling Stands |
FER 345 |
| Rolling Stock |
FER 360 |
| Rolling Stock |
VER 200 |
| Rolling Stock, Production |
FER 360 |
| Rolling Trains |
FER 345 |
| Rolling, Plastics |
CIT 745 |
| Roman Law |
JUR 960 |
| Roman, Painting |
KUN 060 |
| Roman, Sculptures |
KUN 045 |
| Romance Languages |
LIN 548 |
| Romanesque Period, History of Architecture |
ARC 916 |
| Romania, Architecture |
ARC 987 |
| Romania, Geography |
GEO 248 |
| Romania, Geology |
GEO 343 |
| Romania, History of Architecture |
ARC 987 |
| Romanic Art |
KUN 031 |
| Romanic Languages, History |
LIN 188 |
| Romans, Religion |
REL 250 |
| Rome, Ancient History of Architecture |
ARC 895 |
| Rome, Architecture |
ARC 968 |
| Rome, Art |
KUN 255 |
| Rome, History of Architecture |
ARC 968 |