Classification
330 - Economics
10,800
320 - Political science
5,534
820 - English & Old English literatures
5,414
610 - Medicine & health
5,002
340 - Law
2,800
333 - Economics of land & energy
2,009
900 - History & geography
1,913
300 - Social sciences
1,456
370 - Education
1,336
363 - Other social problems & services
1,311
600 - Technology
1,227
304 - Factors affecting social behavior
1,117
338 - Production
912
658 - General management
885
700 - The arts; fine & decorative arts
769
616 - Diseases
756
620 - Engineering & allied operations
739
380 - Commerce, communications & transportation
717
306 - Culture & institutions
624
630 - Agriculture & related technologies
511
301 - Sociology & anthropology
472
621 - Applied physics
472
910 - Geography & travel
472
341 - Law of nations
449
940 - History of Europe
446
327 - International relations
443
551 - Geology, hydrology & meteorology
435
000 - Computer science, information & general works
412
005 - Computer programming, programs & data
400
800 - Literature & rhetoric
399
006 - Special computer methods
388
305 - Social groups
385
140 - Specific philosophical schools
374
230 - Christianity & Christian theology
360
200 - Religion
358
500 - Natural sciences & mathematics
353
280 - Christian denominations & sects
347
170 - Ethics
318
240 - Christian moral & devotional theology
307
004 - Data processing & computer science
299
577 - Ecology
297
100 - Philosophy & psychology
296
520 - Astronomy & allied sciences
290
780 - Music
290
250 - Christian orders & local church
280
331 - Labor economics
275
332 - Financial economics
253
360 - Social problems & services; associations
242
530 - Physics
236
650 - Management & auxiliary services
228
more ...