Classification
330 - Economics
7,116
658 - General management
4,114
320 - Political science
2,458
670 - Manufacturing
2,456
300 - Social sciences
1,762
620 - Engineering & allied operations
1,683
500 - Natural sciences & mathematics
1,659
338 - Production
1,647
302 - Social interaction
1,526
600 - Technology
1,211
333 - Economics of land & energy
1,012
700 - The arts; fine & decorative arts
774
660 - Chemical engineering
724
000 - Computer science, information & general works
676
363 - Other social problems & services
630
621 - Applied physics
627
340 - Law
621
331 - Labor economics
594
900 - History & geography
468
380 - Commerce, communications & transportation
465
003 - Systems
436
381 - Commerce
414
610 - Medicine & health
397
332 - Financial economics
347
629 - Other branches of engineering
339
630 - Agriculture & related technologies
315
158 - Applied psychology
311
650 - Management & auxiliary services
265
006 - Special computer methods
250
004 - Data processing & computer science
237
519 - Probabilities & applied mathematics
236
745 - Decorative arts
234
384 - Communications; telecommunication
214
540 - Chemistry & allied sciences
192
005 - Computer programming, programs & data
190
541 - Physical chemistry
178
304 - Factors affecting social behavior
171
140 - Specific philosophical schools
165
580 - Plants (Botany)
161
547 - Organic chemistry
145
579 - Microorganisms, fungi & algae
142
153 - Mental processes & intelligence
137
576 - Genetics & evolution
137
306 - Culture & institutions
133
690 - Buildings
133
370 - Education
132
515 - Analysis
122
374 - Adult education
121
150 - Psychology
117
551 - Geology, hydrology & meteorology
117
more ...