Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
7
170 - Ethics
5
200 - Religion
1
300 - Social sciences
11
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
2
320 - Political science
32
330 - Economics
12
333 - Economics of land & energy
3
340 - Law
5
350 - Public administration & military science
1
360 - Social problems & services; associations
361 - Social problems & social welfare in general
54
363 - Other social problems & services
4
364 - Criminology
7
370 - Education
7
380 - Commerce, communications & transportation
1
400 - Language
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
5
600 - Technology
6
610 - Medicine & health
10
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
7
780 - Music
1
900 - History & geography
5