Classification
006 - Special computer methods
1,583
000 - Computer science, information & general works
625
700 - The arts; fine & decorative arts
561
600 - Technology
430
500 - Natural sciences & mathematics
364
005 - Computer programming, programs & data
352
620 - Engineering & allied operations
342
610 - Medicine & health
301
333 - Economics of land & energy
268
330 - Economics
257
900 - History & geography
243
331 - Labor economics
219
658 - General management
171
363 - Other social problems & services
152
004 - Data processing & computer science
141
380 - Commerce, communications & transportation
132
140 - Specific philosophical schools
131
580 - Plants (Botany)
90
519 - Probabilities & applied mathematics
84
621 - Applied physics
83
576 - Genetics & evolution
81
551 - Geology, hydrology & meteorology
72
530 - Physics
63
320 - Political science
61
630 - Agriculture & related technologies
56
400 - Language
55
720 - Architecture
47
338 - Production
46
540 - Chemistry & allied sciences
43
153 - Mental processes & intelligence
40
370 - Education
37
332 - Financial economics
34
510 - Mathematics
34
340 - Law
32
300 - Social sciences
31
612 - Human physiology
28
800 - Literature & rhetoric
28
629 - Other branches of engineering
27
414 - Phonology & phonetics
26
025 - Library operations
25
100 - Philosophy & psychology
25
003 - Systems
23
745 - Decorative arts
23
381 - Commerce
21
615 - Pharmacology & therapeutics
21
570 - Life sciences; biology
20
001 - Knowledge
19
581 - Specific topics in natural history
16
670 - Manufacturing
15
304 - Factors affecting social behavior
14
more ...