Classification
140 - Specific philosophical schools
600 - Technology
4
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
4
900 - History & geography
4
320 - Political science
3
340 - Law
3
363 - Other social problems & services
3
380 - Commerce, communications & transportation
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
720 - Architecture
3
000 - Computer science, information & general works
1