Classification
005 - Computer programming, programs & data
1,107
658 - General management
582
004 - Data processing & computer science
545
000 - Computer science, information & general works
397
331 - Labor economics
395
720 - Architecture
372
500 - Natural sciences & mathematics
291
330 - Economics
281
006 - Special computer methods
268
620 - Engineering & allied operations
262
745 - Decorative arts
195
338 - Production
126
374 - Adult education
117
621 - Applied physics
95
690 - Buildings
88
384 - Communications; telecommunication
70
900 - History & geography
66
320 - Political science
64
300 - Social sciences
60
700 - The arts; fine & decorative arts
59
370 - Education
54
304 - Factors affecting social behavior
53
302 - Social interaction
50
333 - Economics of land & energy
50
340 - Law
49
600 - Technology
46
624 - Civil engineering
46
381 - Commerce
45
343 - Military, tax, trade & industrial law
38
363 - Other social problems & services
34
670 - Manufacturing
31
820 - English & Old English literatures
28
332 - Financial economics
27
307 - Communities
26
629 - Other branches of engineering
23
610 - Medicine & health
21
510 - Mathematics
20
001 - Knowledge
19
650 - Management & auxiliary services
19
741 - Drawing & drawings
19
153 - Mental processes & intelligence
18
519 - Probabilities & applied mathematics
18
696 - Utilities
18
577 - Ecology
15
380 - Commerce, communications & transportation
14
740 - Drawing & decorative arts
14
910 - Geography & travel
13
530 - Physics
12
551 - Geology, hydrology & meteorology
12
301 - Sociology & anthropology
11
more ...