Classification
364 - Criminology
77
340 - Law
39
300 - Social sciences
22
320 - Political science
20
361 - Social problems & social welfare in general
13
360 - Social problems & services; associations
12
900 - History & geography
12
100 - Philosophy & psychology
11
140 - Specific philosophical schools
10
600 - Technology
8
330 - Economics
7
380 - Commerce, communications & transportation
6
610 - Medicine & health
6
301 - Sociology & anthropology
5
620 - Engineering & allied operations
5
170 - Ethics
4
304 - Factors affecting social behavior
4
333 - Economics of land & energy
4
370 - Education
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
800 - Literature & rhetoric
3
200 - Religion
2
363 - Other social problems & services
2
630 - Agriculture & related technologies
2
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
657 - Accounting
1
658 - General management
1
770 - Photography, photographs & computer art
1