Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
1
200 - Religion
1
304 - Factors affecting social behavior
1
330 - Economics
2
333 - Economics of land & energy
2
340 - Law
363 - Other social problems & services
370 - Education
2
380 - Commerce, communications & transportation
3
400 - Language
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
4
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
2
720 - Architecture
1
900 - History & geography