Classification
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
26
320 - Political science
7
140 - Specific philosophical schools
5
304 - Factors affecting social behavior
5
100 - Philosophy & psychology
4
330 - Economics
4
333 - Economics of land & energy
4
600 - Technology
4
610 - Medicine & health
4
780 - Music
4
200 - Religion
3
363 - Other social problems & services
3
400 - Language
3
410 - Linguistics
3
720 - Architecture
3
000 - Computer science, information & general works
2
300 - Social sciences
2
380 - Commerce, communications & transportation
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
340 - Law
1
370 - Education
1
398 - Folklore
1
480 - Hellenic languages; classical Greek
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
809 - History, description & criticism
1