Classification
005 - Computer programming, programs & data
500 - Natural sciences & mathematics
2,342
331 - Labor economics
2,254
658 - General management
1,909
620 - Engineering & allied operations
1,675
004 - Data processing & computer science
1,234
745 - Decorative arts
812
330 - Economics
671
374 - Adult education
650
384 - Communications; telecommunication
492
003 - Systems
423
338 - Production
127
381 - Commerce
116
364 - Criminology
97
600 - Technology
91
302 - Social interaction
81
519 - Probabilities & applied mathematics
79
332 - Financial economics
66
510 - Mathematics
63
300 - Social sciences
57
001 - Knowledge
45
650 - Management & auxiliary services
40
323 - Civil & political rights
34
006 - Special computer methods
31
153 - Mental processes & intelligence
25
670 - Manufacturing
21
011 - Bibliographies
19
368 - Insurance
17
700 - The arts; fine & decorative arts
16
380 - Commerce, communications & transportation
14
621 - Applied physics
10
158 - Applied psychology
8
629 - Other branches of engineering
5
371 - Schools & their activities; special education
3
651 - Office services
3
602 - Miscellany
2
740 - Drawing & decorative arts
2
741 - Drawing & drawings
2
781 - General principles & musical forms
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
025 - Library operations
1
301 - Sociology & anthropology
1
363 - Other social problems & services
1
659 - Advertising & public relations
1
686 - Printing & related activities
1
770 - Photography, photographs & computer art
1
794 - Indoor games of skill
1
808 - Rhetoric & collections of literature
1
910 - Geography & travel
1