Classification
658 - General management
1,681
330 - Economics
1,075
320 - Political science
944
306 - Culture & institutions
671
610 - Medicine & health
656
820 - English & Old English literatures
647
620 - Engineering & allied operations
622
621 - Applied physics
588
616 - Diseases
584
370 - Education
563
300 - Social sciences
534
519 - Probabilities & applied mathematics
527
340 - Law
507
338 - Production
442
006 - Special computer methods
380
005 - Computer programming, programs & data
362
530 - Physics
333
510 - Mathematics
332
302 - Social interaction
330
004 - Data processing & computer science
327
301 - Sociology & anthropology
310
900 - History & geography
306
333 - Economics of land & energy
282
304 - Factors affecting social behavior
274
650 - Management & auxiliary services
268
327 - International relations
256
331 - Labor economics
249
332 - Financial economics
248
629 - Other branches of engineering
244
515 - Analysis
236
305 - Social groups
229
500 - Natural sciences & mathematics
187
520 - Astronomy & allied sciences
187
570 - Life sciences; biology
160
617 - Surgery & related medical specialties
160
512 - Algebra
158
809 - History, description & criticism
157
150 - Psychology
153
361 - Social problems & social welfare in general
152
571 - Physiology & related subjects
147
657 - Accounting
143
612 - Human physiology
140
418 - Standard usage & applied linguistics
138
003 - Systems
134
230 - Christianity & Christian theology
132
363 - Other social problems & services
132
700 - The arts; fine & decorative arts
128
380 - Commerce, communications & transportation
121
540 - Chemistry & allied sciences
121
364 - Criminology
117
more ...