Classification
100 - Philosophy & psychology
3
140 - Specific philosophical schools
1
300 - Social sciences
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
2
363 - Other social problems & services
1
370 - Education
3
380 - Commerce, communications & transportation
3
400 - Language
23
410 - Linguistics
24
414 - Phonology & phonetics
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
3
720 - Architecture
1
780 - Music
1
900 - History & geography
4