Classification
330 - Economics
19
510 - Mathematics
15
340 - Law
13
320 - Political science
4
410 - Linguistics
4
600 - Technology
4
400 - Language
3
519 - Probabilities & applied mathematics
3
900 - History & geography
3
200 - Religion
2
370 - Education
2
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
2
005 - Computer programming, programs & data
1
300 - Social sciences
1
302 - Social interaction
1
332 - Financial economics
1
338 - Production
1
380 - Commerce, communications & transportation
1
512 - Algebra
1
515 - Analysis
1
530 - Physics
1
540 - Chemistry & allied sciences
1
610 - Medicine & health
1
629 - Other branches of engineering
1
658 - General management
1
670 - Manufacturing
1
809 - History, description & criticism
1