Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
330 - Economics
2
363 - Other social problems & services
380 - Commerce, communications & transportation
610 - Medicine & health
700 - The arts; fine & decorative arts
2
720 - Architecture
900 - History & geography
2
320 - Political science
1
550 - Earth sciences
1
600 - Technology
1
620 - Engineering & allied operations
1