Classification
658 - General management
145
650 - Management & auxiliary services
28
338 - Production
25
333 - Economics of land & energy
22
621 - Applied physics
22
670 - Manufacturing
21
629 - Other branches of engineering
16
330 - Economics
12
620 - Engineering & allied operations
10
600 - Technology
9
005 - Computer programming, programs & data
8
174 - Occupational ethics
6
370 - Education
4
500 - Natural sciences & mathematics
4
025 - Library operations
3
332 - Financial economics
3
346 - Private law
3
610 - Medicine & health
3
000 - Computer science, information & general works
2
006 - Special computer methods
2
320 - Political science
2
342 - Constitutional & administrative law
2
351 - Public administration
2
660 - Chemical engineering
2
720 - Architecture
2
170 - Ethics
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
331 - Labor economics
1
340 - Law
1
343 - Military, tax, trade & industrial law
1
361 - Social problems & social welfare in general
1
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
1
509 - Historical, geographic & persons treatment
1
519 - Probabilities & applied mathematics
1
520 - Astronomy & allied sciences
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
607 - Education, research & related topics
1
624 - Civil engineering
1
630 - Agriculture & related technologies
1
657 - Accounting
1
700 - The arts; fine & decorative arts
1
910 - Geography & travel
1