Classification
621 - Applied physics
152
333 - Economics of land & energy
90
338 - Production
66
620 - Engineering & allied operations
47
660 - Chemical engineering
25
600 - Technology
18
658 - General management
15
363 - Other social problems & services
14
720 - Architecture
13
330 - Economics
12
629 - Other branches of engineering
12
624 - Civil engineering
11
551 - Geology, hydrology & meteorology
9
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
8
900 - History & geography
8
579 - Microorganisms, fungi & algae
6
320 - Political science
5
580 - Plants (Botany)
5
610 - Medicine & health
5
690 - Buildings
5
519 - Probabilities & applied mathematics
4
531 - Classical mechanics; solid mechanics
4
541 - Physical chemistry
4
576 - Genetics & evolution
4
628 - Sanitary & municipal engineering
4
670 - Manufacturing
4
140 - Specific philosophical schools
3
174 - Occupational ethics
3
380 - Commerce, communications & transportation
3
577 - Ecology
3
630 - Agriculture & related technologies
3
650 - Management & auxiliary services
3
004 - Data processing & computer science
2
340 - Law
2
500 - Natural sciences & mathematics
2
536 - Heat
2
546 - Inorganic chemistry
2
553 - Economic geology
2
570 - Life sciences; biology
2
627 - Hydraulic engineering
2
710 - Civic & landscape art
2
005 - Computer programming, programs & data
1
006 - Special computer methods
1
300 - Social sciences
1
301 - Sociology & anthropology
1
388 - Transportation; ground transportation
1
410 - Linguistics
1
526 - Mathematical geography
1
530 - Physics
1
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