| Clinical Medicine |
MED 800 |
| Clinical Psychology |
PSY 750 |
| Clinics |
MED 810 |
| Clinics, Catering |
OEK 551 |
| Clinometers |
BAU 928 |
| Cloning, Agriculture |
LAN 182 |
| Closed-Loop Control Technology |
MSR 608 |
| Cloth Cleaning |
IND 780 |
| Clothing |
OEK 723 |
| Clothing Industry |
IND 770 |
| Clothing, Culture |
GES 830 |
| Cloud Physics |
GEO 745 |
| Club Sports |
SPO 090 |
| Cluster Analysis |
MAT 627 |
| Cluster Analysis, Pattern Recognition |
DAT 777 |
| Clusters, Atomic, Molecular |
PHY 546 |
| Clutches |
MAS 275 |
| Clutches, Motor Vehicle Engine |
VER 071 |
| CMS |
DAT 677 |
| CNC, Production Engineering |
FER 071 |
| Co-Determination |
WIR 725 |
| Co-Determination Act |
JUR 485 |
| Co-Ownership |
WIR 725 |
| Coal Dressing |
BER 940 |
| Coal Firing |
ERG 469 |
| Coal Gas |
ERG 246 |
| Coal Gasification |
ERG 261 |
| Coal Hydrogenation |
ERG 262 |
| Coal Liquefaction |
ERG 262 |
| Coal Mining |
BER 600 |
| Coal Mining, Black |
BER 620 |
| Coal Mining, Brown |
BER 640 |
| Coal Plants / Coal-Fired Power Plants |
ERG 645 |
| Coal Processing, Refinement |
ERG 260 |
| Coal Pyrolysis |
ERG 263 |
| Coal, Sedimentology |
GEO 477 |
| Coalitions |
JUR 480 |
| Coalitions / Alliances, Regional, International Law |
JUR 875 |
| Coarse Ceramics |
IND 140 |
| Coastal Fishing |
LAN 930 |
| Coastal Protection, Hydraulic Engineering |
BAU 585 |
| Coastal Shipping |
VER 488 |
| Coastal Waters, Ecology |
UMW 337 |
| Coastal Waters, Water Pollution |
UMW 337 |
| Coating |
FER 850 |
| Coating Materials |
BAU 335 |
| Coating of Plastic |
FER 890 |
| Coating Technology |
CIT 870 |
| Coating Technology, Electronics |
ELT 296 |
| Coating with Plastics |
FER 883 |