Classification
621 - Applied physics
262
333 - Economics of land & energy
74
338 - Production
60
620 - Engineering & allied operations
44
660 - Chemical engineering
24
720 - Architecture
11
700 - The arts; fine & decorative arts
10
600 - Technology
9
658 - General management
9
330 - Economics
8
363 - Other social problems & services
7
579 - Microorganisms, fungi & algae
7
577 - Ecology
6
624 - Civil engineering
6
000 - Computer science, information & general works
5
380 - Commerce, communications & transportation
5
519 - Probabilities & applied mathematics
5
531 - Classical mechanics; solid mechanics
5
551 - Geology, hydrology & meteorology
5
690 - Buildings
5
900 - History & geography
5
580 - Plants (Botany)
4
628 - Sanitary & municipal engineering
4
629 - Other branches of engineering
4
670 - Manufacturing
4
004 - Data processing & computer science
3
388 - Transportation; ground transportation
3
541 - Physical chemistry
3
553 - Economic geology
3
005 - Computer programming, programs & data
2
320 - Political science
2
500 - Natural sciences & mathematics
2
530 - Physics
2
539 - Modern physics
2
546 - Inorganic chemistry
2
550 - Earth sciences
2
627 - Hydraulic engineering
2
630 - Agriculture & related technologies
2
650 - Management & auxiliary services
2
710 - Civic & landscape art
2
006 - Special computer methods
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
170 - Ethics
1
174 - Occupational ethics
1
327 - International relations
1
340 - Law
1
361 - Social problems & social welfare in general
1
400 - Language
1
501 - Philosophy & theory
1
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