Classification
000 - Computer science, information & general works
4
100 - Philosophy & psychology
3
140 - Specific philosophical schools
5
170 - Ethics
2
200 - Religion
2
300 - Social sciences
301 - Sociology & anthropology
2
302 - Social interaction
1
304 - Factors affecting social behavior
1
320 - Political science
13
330 - Economics
333 - Economics of land & energy
12
340 - Law
3
350 - Public administration & military science
1
363 - Other social problems & services
370 - Education
5
380 - Commerce, communications & transportation
4
400 - Language
2
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
7
576 - Genetics & evolution
3
580 - Plants (Botany)
1
581 - Specific topics in natural history
7
600 - Technology
11
610 - Medicine & health
6
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
657 - Accounting
1
658 - General management
2
700 - The arts; fine & decorative arts
5
900 - History & geography
7