Classification
300 - Social sciences
900 - History & geography
83
330 - Economics
13
800 - Literature & rhetoric
12
200 - Religion
8
700 - The arts; fine & decorative arts
8
140 - Specific philosophical schools
6
320 - Political science
5
100 - Philosophy & psychology
4
301 - Sociology & anthropology
4
340 - Law
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
307 - Communities
1
364 - Criminology
1
370 - Education
1
398 - Folklore
1
400 - Language
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
658 - General management
1
670 - Manufacturing
1
720 - Architecture
1
780 - Music
1