Classification
000 - Computer science, information & general works
658 - General management
2,046
330 - Economics
1,490
700 - The arts; fine & decorative arts
1,469
600 - Technology
1,253
331 - Labor economics
1,032
333 - Economics of land & energy
1,009
500 - Natural sciences & mathematics
1,007
620 - Engineering & allied operations
1,001
610 - Medicine & health
803
363 - Other social problems & services
660
380 - Commerce, communications & transportation
659
745 - Decorative arts
631
900 - History & geography
539
580 - Plants (Botany)
462
140 - Specific philosophical schools
442
338 - Production
397
540 - Chemistry & allied sciences
385
576 - Genetics & evolution
345
320 - Political science
344
300 - Social sciences
313
770 - Photography, photographs & computer art
282
384 - Communications; telecommunication
276
551 - Geology, hydrology & meteorology
267
530 - Physics
263
011 - Bibliographies
248
302 - Social interaction
233
630 - Agriculture & related technologies
229
381 - Commerce
218
332 - Financial economics
207
340 - Law
206
370 - Education
201
400 - Language
181
374 - Adult education
180
720 - Architecture
159
100 - Philosophy & psychology
156
581 - Specific topics in natural history
144
800 - Literature & rhetoric
139
414 - Phonology & phonetics
136
650 - Management & auxiliary services
133
410 - Linguistics
123
153 - Mental processes & intelligence
108
006 - Special computer methods
107
670 - Manufacturing
90
304 - Factors affecting social behavior
88
519 - Probabilities & applied mathematics
72
612 - Human physiology
69
170 - Ethics
66
158 - Applied psychology
62
200 - Religion
57
more ...