Classification
000 - Computer science, information & general works
1
300 - Social sciences
2
320 - Political science
3
330 - Economics
333 - Economics of land & energy
1
350 - Public administration & military science
1
360 - Social problems & services; associations
3
361 - Social problems & social welfare in general
3
363 - Other social problems & services
1
364 - Criminology
1
370 - Education
2
380 - Commerce, communications & transportation
1
600 - Technology
1
610 - Medicine & health
3
620 - Engineering & allied operations
1
657 - Accounting
2
700 - The arts; fine & decorative arts
1
720 - Architecture
1
900 - History & geography
2