Classification
700 - The arts; fine & decorative arts
720 - Architecture
900 - History & geography
183
600 - Technology
99
620 - Engineering & allied operations
89
333 - Economics of land & energy
87
000 - Computer science, information & general works
80
363 - Other social problems & services
66
320 - Political science
56
380 - Commerce, communications & transportation
51
140 - Specific philosophical schools
48
330 - Economics
46
300 - Social sciences
40
610 - Medicine & health
35
370 - Education
33
576 - Genetics & evolution
25
580 - Plants (Botany)
23
800 - Literature & rhetoric
23
100 - Philosophy & psychology
21
200 - Religion
21
500 - Natural sciences & mathematics
20
551 - Geology, hydrology & meteorology
20
400 - Language
18
340 - Law
16
630 - Agriculture & related technologies
12
770 - Photography, photographs & computer art
12
301 - Sociology & anthropology
11
780 - Music
11
297 - Islam, Babism & Bahai Faith
9
530 - Physics
9
581 - Specific topics in natural history
9
658 - General management
8
540 - Chemistry & allied sciences
7
414 - Phonology & phonetics
6
410 - Linguistics
5
170 - Ethics
4
304 - Factors affecting social behavior
3
120 - Epistemology, causation & humankind
2
550 - Earth sciences
2
650 - Management & auxiliary services
2
111 - Ontology
1
160 - Logic
1
296 - Judaism
1
398 - Folklore
1
612 - Human physiology
1
657 - Accounting
1
791 - Public performances
1