Classification
100 - Philosophy & psychology
320 - Political science
330 - Economics
658 - General management
300 - Social sciences
2
340 - Law
2
370 - Education
2
380 - Commerce, communications & transportation
2
400 - Language
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
170 - Ethics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
620 - Engineering & allied operations
1
770 - Photography, photographs & computer art
1
780 - Music
1