Materia
- Language and Linguistics 31
- Cell & Molecular Biology 30
- Matemáticas 30
- Engineering 29
- History of Ideas and Intellectual History 28
- Statistics 28
- Information Science 27
- Business and Management 26
- European History after 1450 25
- Religion: General Interest 24
- Social and Population History 24
- Analytical Chemistry 23
- Materials Science 23
- Media 23
- Plant Sciences 23
- Biology 22
- Comparative Politics 22
- Film 22
- Historia 22
- Psicología 22