Classification
600 - Technology
11,881
330 - Economics
8,800
658 - General management
5,924
320 - Political science
3,744
670 - Manufacturing
3,037
300 - Social sciences
1,973
338 - Production
1,897
500 - Natural sciences & mathematics
1,676
620 - Engineering & allied operations
1,644
302 - Social interaction
1,642
333 - Economics of land & energy
1,090
660 - Chemical engineering
960
158 - Applied psychology
862
621 - Applied physics
807
700 - The arts; fine & decorative arts
802
340 - Law
776
000 - Computer science, information & general works
673
363 - Other social problems & services
671
332 - Financial economics
609
331 - Labor economics
604
900 - History & geography
580
380 - Commerce, communications & transportation
573
003 - Systems
544
629 - Other branches of engineering
499
381 - Commerce
454
610 - Medicine & health
430
650 - Management & auxiliary services
362
004 - Data processing & computer science
294
624 - Civil engineering
294
630 - Agriculture & related technologies
289
306 - Culture & institutions
266
690 - Buildings
265
519 - Probabilities & applied mathematics
257
006 - Special computer methods
253
745 - Decorative arts
253
384 - Communications; telecommunication
240
370 - Education
232
005 - Computer programming, programs & data
228
304 - Factors affecting social behavior
212
541 - Physical chemistry
188
150 - Psychology
184
140 - Specific philosophical schools
173
616 - Diseases
153
547 - Organic chemistry
149
576 - Genetics & evolution
145
579 - Microorganisms, fungi & algae
145
153 - Mental processes & intelligence
144
580 - Plants (Botany)
131
374 - Adult education
130
515 - Analysis
126
more ...