Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
200 - Religion
1
300 - Social sciences
3
320 - Political science
330 - Economics
22
333 - Economics of land & energy
3
340 - Law
1
363 - Other social problems & services
2
370 - Education
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
610 - Medicine & health
2
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
5
657 - Accounting
1
700 - The arts; fine & decorative arts
6
900 - History & geography
7