Classification
320 - Political science
330 - Economics
2,492
300 - Social sciences
529
900 - History & geography
331
340 - Law
183
576 - Genetics & evolution
57
630 - Agriculture & related technologies
54
370 - Education
47
700 - The arts; fine & decorative arts
43
200 - Religion
26
170 - Ethics
17
800 - Literature & rhetoric
9
100 - Philosophy & psychology
7
140 - Specific philosophical schools
7
160 - Logic
5
400 - Language
5
500 - Natural sciences & mathematics
3
610 - Medicine & health
3
780 - Music
3
301 - Sociology & anthropology
1
332 - Financial economics
1
338 - Production
1
343 - Military, tax, trade & industrial law
1
354 - Administration of economy & environment
1
520 - Astronomy & allied sciences
1
600 - Technology
1