Classification
370 - Education
13
330 - Economics
10
900 - History & geography
8
320 - Political science
5
380 - Commerce, communications & transportation
3
300 - Social sciences
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
400 - Language
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
306 - Culture & institutions
1
340 - Law
1
351 - Public administration
1
378 - Higher education
1
410 - Linguistics
1
491 - East Indo-European & Celtic languages
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
658 - General management
1
700 - The arts; fine & decorative arts
1
791 - Public performances
1
800 - Literature & rhetoric
1