Classification
900 - History & geography
75
320 - Political science
7
200 - Religion
6
380 - Commerce, communications & transportation
4
700 - The arts; fine & decorative arts
4
800 - Literature & rhetoric
4
140 - Specific philosophical schools
3
330 - Economics
3
340 - Law
3
410 - Linguistics
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
170 - Ethics
2
301 - Sociology & anthropology
2
370 - Education
2
630 - Agriculture & related technologies
2
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
400 - Language
1
610 - Medicine & health
1
920 - Biography, genealogy & insignia
1