Classification
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
361 - Social problems & social welfare in general
610 - Medicine & health
700 - The arts; fine & decorative arts
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
380 - Commerce, communications & transportation
1
630 - Agriculture & related technologies
1