Classification
780 - Music
900 - History & geography
271
700 - The arts; fine & decorative arts
268
320 - Political science
113
330 - Economics
97
100 - Philosophy & psychology
93
301 - Sociology & anthropology
88
370 - Education
69
300 - Social sciences
61
800 - Literature & rhetoric
53
140 - Specific philosophical schools
50
200 - Religion
48
600 - Technology
42
400 - Language
41
000 - Computer science, information & general works
29
333 - Economics of land & energy
26
380 - Commerce, communications & transportation
26
610 - Medicine & health
26
410 - Linguistics
25
340 - Law
21
620 - Engineering & allied operations
20
304 - Factors affecting social behavior
19
500 - Natural sciences & mathematics
18
363 - Other social problems & services
16
781 - General principles & musical forms
16
720 - Architecture
15
770 - Photography, photographs & computer art
15
658 - General management
14
331 - Labor economics
10
297 - Islam, Babism & Bahai Faith
9
576 - Genetics & evolution
9
791 - Public performances
9
398 - Folklore
8
170 - Ethics
7
530 - Physics
7
581 - Specific topics in natural history
5
612 - Human physiology
5
782 - Vocal music
5
381 - Commerce
4
414 - Phonology & phonetics
4
580 - Plants (Botany)
4
630 - Agriculture & related technologies
4
361 - Social problems & social welfare in general
3
590 - Animals (Zoology)
2
809 - History, description & criticism
2
830 - Literatures of Germanic languages
2
026 - Libraries for specific subjects
1
111 - Ontology
1
160 - Logic
1
230 - Christianity & Christian theology
1
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