Classification
330 - Economics
30
320 - Political science
23
340 - Law
21
300 - Social sciences
12
820 - English & Old English literatures
6
900 - History & geography
6
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
302 - Social interaction
1
306 - Culture & institutions
1
331 - Labor economics
1
338 - Production
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
616 - Diseases
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1