Classification
320 - Political science
340 - Law
363 - Other social problems & services
3
610 - Medicine & health
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
2
600 - Technology
2
140 - Specific philosophical schools
1
170 - Ethics
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
800 - Literature & rhetoric
1