Classification
140 - Specific philosophical schools
370 - Education
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
658 - General management
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
330 - Economics
1
363 - Other social problems & services
1
400 - Language
1
410 - Linguistics
1
600 - Technology
1
610 - Medicine & health
1
900 - History & geography
1