Classification
005 - Computer programming, programs & data
1,145
658 - General management
583
004 - Data processing & computer science
507
331 - Labor economics
400
000 - Computer science, information & general works
397
720 - Architecture
373
006 - Special computer methods
301
500 - Natural sciences & mathematics
292
330 - Economics
281
620 - Engineering & allied operations
258
745 - Decorative arts
197
338 - Production
123
374 - Adult education
118
690 - Buildings
91
621 - Applied physics
78
384 - Communications; telecommunication
71
900 - History & geography
65
320 - Political science
64
300 - Social sciences
63
700 - The arts; fine & decorative arts
59
304 - Factors affecting social behavior
58
370 - Education
54
302 - Social interaction
51
333 - Economics of land & energy
49
340 - Law
49
600 - Technology
46
381 - Commerce
45
624 - Civil engineering
45
343 - Military, tax, trade & industrial law
41
363 - Other social problems & services
34
670 - Manufacturing
31
820 - English & Old English literatures
28
332 - Financial economics
27
307 - Communities
26
001 - Knowledge
23
629 - Other branches of engineering
23
510 - Mathematics
20
610 - Medicine & health
20
696 - Utilities
20
153 - Mental processes & intelligence
19
741 - Drawing & drawings
19
650 - Management & auxiliary services
18
519 - Probabilities & applied mathematics
16
577 - Ecology
15
380 - Commerce, communications & transportation
14
740 - Drawing & decorative arts
14
910 - Geography & travel
13
046 - [Unassigned]
12
551 - Geology, hydrology & meteorology
12
003 - Systems
11
more ...