Classification
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
149
600 - Technology
59
000 - Computer science, information & general works
54
333 - Economics of land & energy
53
330 - Economics
50
140 - Specific philosophical schools
46
363 - Other social problems & services
44
320 - Political science
43
610 - Medicine & health
35
620 - Engineering & allied operations
35
380 - Commerce, communications & transportation
27
100 - Philosophy & psychology
26
576 - Genetics & evolution
24
200 - Religion
23
300 - Social sciences
22
400 - Language
22
780 - Music
22
720 - Architecture
21
580 - Plants (Botany)
20
410 - Linguistics
18
340 - Law
15
551 - Geology, hydrology & meteorology
12
301 - Sociology & anthropology
11
304 - Factors affecting social behavior
11
500 - Natural sciences & mathematics
11
170 - Ethics
10
370 - Education
10
297 - Islam, Babism & Bahai Faith
7
398 - Folklore
7
530 - Physics
7
581 - Specific topics in natural history
7
630 - Agriculture & related technologies
7
658 - General management
7
770 - Photography, photographs & computer art
6
791 - Public performances
6
414 - Phonology & phonetics
5
540 - Chemistry & allied sciences
4
120 - Epistemology, causation & humankind
3
361 - Social problems & social welfare in general
2
520 - Astronomy & allied sciences
2
590 - Animals (Zoology)
2
160 - Logic
1
296 - Judaism
1
331 - Labor economics
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
657 - Accounting
1
709 - Historical, geographic & persons treatment
1
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