Classification
005 - Computer programming, programs & data
500 - Natural sciences & mathematics
620 - Engineering & allied operations
1,070
331 - Labor economics
362
658 - General management
343
384 - Communications; telecommunication
314
745 - Decorative arts
150
330 - Economics
75
374 - Adult education
72
300 - Social sciences
38
510 - Mathematics
29
302 - Social interaction
20
519 - Probabilities & applied mathematics
20
364 - Criminology
19
338 - Production
16
004 - Data processing & computer science
12
381 - Commerce
12
332 - Financial economics
11
600 - Technology
7
670 - Manufacturing
7
006 - Special computer methods
6
001 - Knowledge
5
011 - Bibliographies
3
153 - Mental processes & intelligence
3
368 - Insurance
3
650 - Management & auxiliary services
2
301 - Sociology & anthropology
1
363 - Other social problems & services
1
371 - Schools & their activities; special education
1
629 - Other branches of engineering
1
700 - The arts; fine & decorative arts
1
740 - Drawing & decorative arts
1
770 - Photography, photographs & computer art
1
781 - General principles & musical forms
1
800 - Literature & rhetoric
1