Classification
658 - General management
42
302 - Social interaction
29
006 - Special computer methods
19
330 - Economics
16
381 - Commerce
12
320 - Political science
11
331 - Labor economics
11
610 - Medicine & health
8
000 - Computer science, information & general works
7
005 - Computer programming, programs & data
7
340 - Law
7
500 - Natural sciences & mathematics
7
659 - Advertising & public relations
7
300 - Social sciences
5
384 - Communications; telecommunication
5
004 - Data processing & computer science
4
070 - News media, journalism & publishing
4
301 - Sociology & anthropology
4
338 - Production
3
343 - Military, tax, trade & industrial law
3
617 - Surgery & related medical specialties
3
620 - Engineering & allied operations
3
303 - Social processes
2
351 - Public administration
2
501 - Philosophy & theory
2
615 - Pharmacology & therapeutics
2
770 - Photography, photographs & computer art
2
001 - Knowledge
1
027 - General libraries
1
306 - Culture & institutions
1
327 - International relations
1
333 - Economics of land & energy
1
346 - Private law
1
355 - Military science
1
370 - Education
1
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
1
570 - Life sciences; biology
1
616 - Diseases
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1
670 - Manufacturing
1
700 - The arts; fine & decorative arts
1
745 - Decorative arts
1
777 - [Unassigned]
1
778 - Fields & kinds of photography
1