Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
320 - Political science
363 - Other social problems & services
600 - Technology
610 - Medicine & health
700 - The arts; fine & decorative arts
3
380 - Commerce, communications & transportation
2
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
361 - Social problems & social welfare in general
1
370 - Education
1
620 - Engineering & allied operations
1