Classification
300 - Social sciences
800 - Literature & rhetoric
330 - Economics
5
658 - General management
3
900 - History & geography
3
000 - Computer science, information & general works
2
302 - Social interaction
2
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
670 - Manufacturing
2
100 - Philosophy & psychology
1
338 - Production
1
381 - Commerce
1
400 - Language
1
410 - Linguistics
1
700 - The arts; fine & decorative arts
1