Classification
000 - Computer science, information & general works
330 - Economics
2
370 - Education
380 - Commerce, communications & transportation
600 - Technology
610 - Medicine & health
2
100 - Philosophy & psychology
1
320 - Political science
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
551 - Geology, hydrology & meteorology
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
780 - Music
1
900 - History & geography
1