Classification
791 - Public performances
330 - Economics
21
700 - The arts; fine & decorative arts
13
900 - History & geography
12
320 - Political science
11
380 - Commerce, communications & transportation
10
000 - Computer science, information & general works
9
332 - Financial economics
8
384 - Communications; telecommunication
7
658 - General management
7
800 - Literature & rhetoric
6
381 - Commerce
5
600 - Technology
5
333 - Economics of land & energy
4
340 - Law
4
363 - Other social problems & services
4
576 - Genetics & evolution
4
620 - Engineering & allied operations
4
100 - Philosophy & psychology
3
370 - Education
3
777 - [Unassigned]
3
006 - Special computer methods
1
140 - Specific philosophical schools
1
300 - Social sciences
1
301 - Sociology & anthropology
1
302 - Social interaction
1
361 - Social problems & social welfare in general
1
400 - Language
1
410 - Linguistics
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
780 - Music
1