Classification
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
400 - Language
45
100 - Philosophy & psychology
41
140 - Specific philosophical schools
37
600 - Technology
35
410 - Linguistics
33
333 - Economics of land & energy
31
620 - Engineering & allied operations
30
200 - Religion
27
300 - Social sciences
27
320 - Political science
25
330 - Economics
24
780 - Music
23
363 - Other social problems & services
19
340 - Law
18
720 - Architecture
17
000 - Computer science, information & general works
15
610 - Medicine & health
15
576 - Genetics & evolution
14
380 - Commerce, communications & transportation
12
301 - Sociology & anthropology
11
304 - Factors affecting social behavior
11
370 - Education
10
580 - Plants (Botany)
9
170 - Ethics
8
770 - Photography, photographs & computer art
8
398 - Folklore
7
830 - Literatures of Germanic languages
6
791 - Public performances
5
809 - History, description & criticism
5
120 - Epistemology, causation & humankind
4
891 - East Indo-European & Celtic literatures
4
500 - Natural sciences & mathematics
3
530 - Physics
3
551 - Geology, hydrology & meteorology
3
581 - Specific topics in natural history
3
658 - General management
3
831 - German poetry
3
297 - Islam, Babism & Bahai Faith
2
630 - Agriculture & related technologies
2
296 - Judaism
1
361 - Social problems & social welfare in general
1
394 - General customs
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
590 - Animals (Zoology)
1
709 - Historical, geographic & persons treatment
1
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