Classification
100 - Philosophy & psychology
320 - Political science
380 - Commerce, communications & transportation
900 - History & geography
300 - Social sciences
2
330 - Economics
2
600 - Technology
2
620 - Engineering & allied operations
2
340 - Law
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
780 - Music
1