Classification
320 - Political science
39
330 - Economics
37
340 - Law
9
900 - History & geography
5
300 - Social sciences
4
820 - English & Old English literatures
3
305 - Social groups
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
294 - Religions of Indic origin
1
297 - Islam, Babism & Bahai Faith
1
307 - Communities
1
363 - Other social problems & services
1
364 - Criminology
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1
553 - Economic geology
1
600 - Technology
1
612 - Human physiology
1
628 - Sanitary & municipal engineering
1
630 - Agriculture & related technologies
1