Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
361 - Social problems & social welfare in general
600 - Technology
7
610 - Medicine & health
6
700 - The arts; fine & decorative arts
6
320 - Political science
4
363 - Other social problems & services
4
200 - Religion
3
330 - Economics
3
333 - Economics of land & energy
3
380 - Commerce, communications & transportation
3
170 - Ethics
2
581 - Specific topics in natural history
2
620 - Engineering & allied operations
2
301 - Sociology & anthropology
1
370 - Education
1
500 - Natural sciences & mathematics
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
658 - General management
1
780 - Music
1