Materia
- Astrophysics 2
- Civil and Geotechnical Engineering 2
- Philosophy: General Interest 2
- Plant Sciences 2
- Popular Science 2
- Classical Studies 1
- Darwin 1
- Earth and Environmental Sciences 1
- Electromagnetics 1
- European History after 1450 1
- European Studies 1
- General 1
- General and Classical Physics 1
- Geomorphology and Physical Geography 1
- Historical Geography 1
- History of Mathematical Texts 1
- History of Science: General Interest 1
- Horticulture and forestry 1
- Nineteenth-Century Philosophy 1
- Oceanography and Marine Science 1