Classification
330 - Economics
57
300 - Social sciences
52
301 - Sociology & anthropology
42
576 - Genetics & evolution
37
900 - History & geography
31
658 - General management
29
320 - Political science
24
100 - Philosophy & psychology
23
616 - Diseases
23
620 - Engineering & allied operations
23
340 - Law
22
610 - Medicine & health
21
333 - Economics of land & energy
19
306 - Culture & institutions
17
570 - Life sciences; biology
17
572 - Biochemistry
16
200 - Religion
15
571 - Physiology & related subjects
15
700 - The arts; fine & decorative arts
15
780 - Music
14
600 - Technology
12
612 - Human physiology
12
500 - Natural sciences & mathematics
11
547 - Organic chemistry
11
140 - Specific philosophical schools
10
150 - Psychology
9
302 - Social interaction
9
520 - Astronomy & allied sciences
9
541 - Physical chemistry
9
621 - Applied physics
9
800 - Literature & rhetoric
9
001 - Knowledge
8
006 - Special computer methods
8
338 - Production
8
530 - Physics
8
005 - Computer programming, programs & data
7
142 - Critical philosophy
7
305 - Social groups
7
370 - Education
7
590 - Animals (Zoology)
7
599 - Mammals
7
650 - Management & auxiliary services
7
000 - Computer science, information & general works
6
004 - Data processing & computer science
6
174 - Occupational ethics
6
304 - Factors affecting social behavior
6
580 - Plants (Botany)
6
601 - Philosophy & theory
6
930 - History of ancient world to ca. 499
6
170 - Ethics
5
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