Classification
320 - Political science
293
330 - Economics
300 - Social sciences
38
340 - Law
26
900 - History & geography
19
630 - Agriculture & related technologies
11
700 - The arts; fine & decorative arts
4
370 - Education
3
160 - Logic
2
170 - Ethics
1
200 - Religion
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
946 - Iberian Peninsula & adjacent islands
1