Classification
340 - Law
14,542
330 - Economics
11,803
658 - General management
10,698
621 - Applied physics
8,817
650 - Management & auxiliary services
7,890
320 - Political science
7,868
300 - Social sciences
7,579
620 - Engineering & allied operations
6,862
616 - Diseases
5,502
610 - Medicine & health
4,450
900 - History & geography
3,932
780 - Music
3,614
500 - Natural sciences & mathematics
3,029
005 - Computer programming, programs & data
2,358
370 - Education
2,137
301 - Sociology & anthropology
2,077
100 - Philosophy & psychology
1,879
306 - Culture & institutions
1,851
510 - Mathematics
1,826
617 - Surgery & related medical specialties
1,743
700 - The arts; fine & decorative arts
1,519
657 - Accounting
1,396
004 - Data processing & computer science
1,376
530 - Physics
1,360
302 - Social interaction
1,356
629 - Other branches of engineering
1,326
519 - Probabilities & applied mathematics
1,114
200 - Religion
1,082
670 - Manufacturing
1,061
332 - Financial economics
1,057
150 - Psychology
1,018
338 - Production
1,002
336 - Public finance
981
305 - Social groups
976
800 - Literature & rhetoric
969
333 - Economics of land & energy
965
624 - Civil engineering
963
615 - Pharmacology & therapeutics
934
540 - Chemistry & allied sciences
887
570 - Life sciences; biology
887
361 - Social problems & social welfare in general
827
830 - Literatures of Germanic languages
795
006 - Special computer methods
784
363 - Other social problems & services
722
618 - Gynecology, obstetrics, pediatrics & geriatrics
692
515 - Analysis
640
158 - Applied psychology
630
304 - Factors affecting social behavior
618
400 - Language
617
410 - Linguistics
616
more ...