Materia
- British History Before 1066 1
- British History after 1450 7
- British History: General Interest 2
- Buddhism and Eastern Religions 1
- Business & Industry 2
- Church History 1
- Classical Literature 1
- Classical Studies (General) 1
- Climatology and Climate Change 1
- Cognition 1
- Communications 1
- Comparative Law 1
- Comparative Politics 3
- Complexity 1
- Computer Algebra 1
- Computer Science 1
- Computing: General Interest 1
- Condensed Matter Physics 1
- Constitutional and Administrative Law 2
- Contract Law 1