Classification
620 - Engineering & allied operations
658 - General management
500 - Natural sciences & mathematics
291
005 - Computer programming, programs & data
145
000 - Computer science, information & general works
55
331 - Labor economics
55
384 - Communications; telecommunication
54
330 - Economics
41
004 - Data processing & computer science
34
745 - Decorative arts
21
374 - Adult education
16
338 - Production
15
006 - Special computer methods
11
381 - Commerce
11
300 - Social sciences
8
302 - Social interaction
7
519 - Probabilities & applied mathematics
6
600 - Technology
5
510 - Mathematics
4
001 - Knowledge
2
621 - Applied physics
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
025 - Library operations
1
155 - Differential & developmental psychology
1
158 - Applied psychology
1
303 - Social processes
1
346 - Private law
1
364 - Criminology
1
417 - Dialectology & historical linguistics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1
670 - Manufacturing
1
677 - Textiles
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1