Classification
100 - Philosophy & psychology
370 - Education
300 - Social sciences
77
700 - The arts; fine & decorative arts
76
333 - Economics of land & energy
56
900 - History & geography
53
320 - Political science
50
600 - Technology
43
140 - Specific philosophical schools
42
610 - Medicine & health
38
400 - Language
35
500 - Natural sciences & mathematics
30
170 - Ethics
25
380 - Commerce, communications & transportation
25
330 - Economics
23
000 - Computer science, information & general works
22
363 - Other social problems & services
18
780 - Music
18
200 - Religion
17
301 - Sociology & anthropology
16
340 - Law
16
620 - Engineering & allied operations
16
800 - Literature & rhetoric
15
410 - Linguistics
14
304 - Factors affecting social behavior
13
530 - Physics
10
120 - Epistemology, causation & humankind
5
576 - Genetics & evolution
5
540 - Chemistry & allied sciences
4
658 - General management
4
770 - Photography, photographs & computer art
4
720 - Architecture
3
296 - Judaism
2
297 - Islam, Babism & Bahai Faith
2
361 - Social problems & social welfare in general
2
581 - Specific topics in natural history
2
612 - Human physiology
2
657 - Accounting
2
791 - Public performances
2
360 - Social problems & services; associations
1
364 - Criminology
1
398 - Folklore
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
630 - Agriculture & related technologies
1
920 - Biography, genealogy & insignia
1