Classification
301 - Sociology & anthropology
900 - History & geography
300 - Social sciences
36
320 - Political science
16
700 - The arts; fine & decorative arts
11
200 - Religion
9
100 - Philosophy & psychology
8
140 - Specific philosophical schools
6
340 - Law
6
330 - Economics
5
800 - Literature & rhetoric
5
333 - Economics of land & energy
4
400 - Language
4
610 - Medicine & health
4
380 - Commerce, communications & transportation
3
410 - Linguistics
3
170 - Ethics
2
304 - Factors affecting social behavior
2
363 - Other social problems & services
2
370 - Education
2
576 - Genetics & evolution
2
600 - Technology
2
000 - Computer science, information & general works
1
296 - Judaism
1
350 - Public administration & military science
1
364 - Criminology
1
398 - Folklore
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1
780 - Music
1
791 - Public performances
1