Classification
300 - Social sciences
500 - Natural sciences & mathematics
94
658 - General management
40
001 - Knowledge
38
005 - Computer programming, programs & data
32
330 - Economics
31
000 - Computer science, information & general works
30
302 - Social interaction
26
670 - Manufacturing
20
004 - Data processing & computer science
16
600 - Technology
13
338 - Production
12
620 - Engineering & allied operations
12
331 - Labor economics
9
384 - Communications; telecommunication
8
170 - Ethics
7
700 - The arts; fine & decorative arts
7
610 - Medicine & health
6
100 - Philosophy & psychology
5
320 - Political science
5
006 - Special computer methods
4
381 - Commerce
4
900 - History & geography
4
140 - Specific philosophical schools
3
340 - Law
3
370 - Education
3
510 - Mathematics
3
650 - Management & auxiliary services
3
120 - Epistemology, causation & humankind
2
200 - Religion
2
301 - Sociology & anthropology
2
380 - Commerce, communications & transportation
2
520 - Astronomy & allied sciences
2
155 - Differential & developmental psychology
1
158 - Applied psychology
1
332 - Financial economics
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
371 - Schools & their activities; special education
1
374 - Adult education
1
519 - Probabilities & applied mathematics
1
630 - Agriculture & related technologies
1
745 - Decorative arts
1
775 - Digital photography
1