Classification
700 - The arts; fine & decorative arts
900 - History & geography
94
363 - Other social problems & services
85
000 - Computer science, information & general works
81
333 - Economics of land & energy
77
600 - Technology
65
620 - Engineering & allied operations
56
610 - Medicine & health
45
320 - Political science
42
330 - Economics
41
551 - Geology, hydrology & meteorology
39
630 - Agriculture & related technologies
35
580 - Plants (Botany)
34
581 - Specific topics in natural history
34
140 - Specific philosophical schools
32
380 - Commerce, communications & transportation
26
340 - Law
23
720 - Architecture
22
500 - Natural sciences & mathematics
20
414 - Phonology & phonetics
18
576 - Genetics & evolution
15
540 - Chemistry & allied sciences
14
300 - Social sciences
13
370 - Education
13
200 - Religion
10
800 - Literature & rhetoric
9
301 - Sociology & anthropology
8
400 - Language
8
658 - General management
7
530 - Physics
5
612 - Human physiology
5
100 - Philosophy & psychology
4
170 - Ethics
4
657 - Accounting
4
297 - Islam, Babism & Bahai Faith
3
304 - Factors affecting social behavior
3
615 - Pharmacology & therapeutics
3
780 - Music
3
360 - Social problems & services; associations
2
398 - Folklore
1
410 - Linguistics
1
590 - Animals (Zoology)
1
770 - Photography, photographs & computer art
1