Classification
140 - Specific philosophical schools
363 - Other social problems & services
576 - Genetics & evolution
370 - Education
2
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
400 - Language
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
658 - General management
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1