Classification
300 - Social sciences
800 - Literature & rhetoric
900 - History & geography
140 - Specific philosophical schools
15
320 - Political science
13
700 - The arts; fine & decorative arts
12
410 - Linguistics
8
100 - Philosophy & psychology
7
340 - Law
7
200 - Religion
5
301 - Sociology & anthropology
5
333 - Economics of land & energy
5
330 - Economics
4
370 - Education
4
600 - Technology
4
610 - Medicine & health
4
720 - Architecture
4
170 - Ethics
3
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
400 - Language
3
620 - Engineering & allied operations
3
780 - Music
3
297 - Islam, Babism & Bahai Faith
2
304 - Factors affecting social behavior
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
630 - Agriculture & related technologies
2
791 - Public performances
1
809 - History, description & criticism
1
833 - German fiction
1