Classification
330 - Economics
6,535
820 - English & Old English literatures
5,404
320 - Political science
3,823
610 - Medicine & health
3,046
340 - Law
2,417
300 - Social sciences
1,623
900 - History & geography
1,179
600 - Technology
1,160
333 - Economics of land & energy
955
370 - Education
854
338 - Production
584
616 - Diseases
565
380 - Commerce, communications & transportation
490
620 - Engineering & allied operations
464
500 - Natural sciences & mathematics
449
360 - Social problems & services; associations
425
940 - History of Europe
394
363 - Other social problems & services
393
910 - Geography & travel
362
230 - Christianity & Christian theology
355
301 - Sociology & anthropology
347
700 - The arts; fine & decorative arts
347
280 - Christian denominations & sects
344
630 - Agriculture & related technologies
331
658 - General management
313
306 - Culture & institutions
311
240 - Christian moral & devotional theology
307
341 - Law of nations
307
621 - Applied physics
284
250 - Christian orders & local church
280
520 - Astronomy & allied sciences
277
200 - Religion
260
800 - Literature & rhetoric
259
000 - Computer science, information & general works
251
005 - Computer programming, programs & data
251
577 - Ecology
251
780 - Music
246
170 - Ethics
244
332 - Financial economics
242
551 - Geology, hydrology & meteorology
240
304 - Factors affecting social behavior
230
006 - Special computer methods
224
260 - Social & ecclesiastical theology
209
004 - Data processing & computer science
203
327 - International relations
199
355 - Military science
193
305 - Social groups
192
650 - Management & auxiliary services
188
519 - Probabilities & applied mathematics
163
100 - Philosophy & psychology
151
more ...