Classification
320 - Political science
900 - History & geography
17
300 - Social sciences
6
330 - Economics
3
100 - Philosophy & psychology
2
304 - Factors affecting social behavior
2
340 - Law
2
370 - Education
2
576 - Genetics & evolution
2
610 - Medicine & health
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
305 - Social groups
1
338 - Production
1
380 - Commerce, communications & transportation
1
600 - Technology
1
759 - Historical, geographic & persons treatment
1
800 - Literature & rhetoric
1
940 - History of Europe
1