Classification
301 - Sociology & anthropology
581 - Specific topics in natural history
700 - The arts; fine & decorative arts
140 - Specific philosophical schools
6
900 - History & geography
6
000 - Computer science, information & general works
5
363 - Other social problems & services
5
400 - Language
4
100 - Philosophy & psychology
3
200 - Religion
2
300 - Social sciences
2
320 - Political science
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
600 - Technology
2
780 - Music
2
800 - Literature & rhetoric
2
333 - Economics of land & energy
1
361 - Social problems & social welfare in general
1
398 - Folklore
1
410 - Linguistics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
590 - Animals (Zoology)
1
610 - Medicine & health
1
615 - Pharmacology & therapeutics
1
791 - Public performances
1