Subject
- Cloudless Sulphur1
- Cocoons22
- Cohanim1
- Colocasia flavicornis1
- Colonies--Law and legislation1
- Colorful Zale1
- Columbia (S.C.) -- Biography -- Portraits1
- Common Buckeye1
- Common Gray1
- Common Pinkband1
- Consolation – Early works to 18002
- Copper Underwing1
- Copper engravings (Visual works)2
- Coral Hairstreak2
- Cosmia calami1
- Cotton Leafworm1
- Crambidae1
- Creation1
- Criminal procedure (Canon law)--Early works to 18001
- Crowned Phylctaenia Moth1