Classification
320 - Political science
330 - Economics
380 - Commerce, communications & transportation
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
300 - Social sciences
1
333 - Economics of land & energy
1
340 - Law
1
350 - Public administration & military science
1
370 - Education
1
400 - Language
1
600 - Technology
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1