Classification
621 - Applied physics
294
384 - Communications; telecommunication
253
620 - Engineering & allied operations
100
004 - Data processing & computer science
90
331 - Labor economics
68
005 - Computer programming, programs & data
52
006 - Special computer methods
32
658 - General management
22
745 - Decorative arts
21
338 - Production
17
000 - Computer science, information & general works
14
500 - Natural sciences & mathematics
14
374 - Adult education
12
330 - Economics
10
381 - Commerce
7
629 - Other branches of engineering
6
302 - Social interaction
4
610 - Medicine & health
4
600 - Technology
3
681 - Precision instruments & other devices
3
303 - Social processes
2
364 - Criminology
2
510 - Mathematics
2
519 - Probabilities & applied mathematics
2
523 - Specific celestial bodies & phenomena
2
535 - Light & infrared & ultraviolet phenomena
2
003 - Systems
1
300 - Social sciences
1
323 - Civil & political rights
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
515 - Analysis
1
551 - Geology, hydrology & meteorology
1
623 - Military & nautical engineering
1
624 - Civil engineering
1
651 - Office services
1
662 - Explosives, fuels & related products
1
670 - Manufacturing
1
720 - Architecture
1
900 - History & geography
1