Classification
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
67
600 - Technology
29
330 - Economics
27
333 - Economics of land & energy
27
363 - Other social problems & services
23
900 - History & geography
22
320 - Political science
17
140 - Specific philosophical schools
15
610 - Medicine & health
15
620 - Engineering & allied operations
15
380 - Commerce, communications & transportation
14
551 - Geology, hydrology & meteorology
12
370 - Education
11
658 - General management
11
630 - Agriculture & related technologies
9
720 - Architecture
9
400 - Language
6
500 - Natural sciences & mathematics
5
530 - Physics
5
576 - Genetics & evolution
5
580 - Plants (Botany)
5
300 - Social sciences
4
670 - Manufacturing
4
340 - Law
3
800 - Literature & rhetoric
3
006 - Special computer methods
2
200 - Religion
2
301 - Sociology & anthropology
2
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
581 - Specific topics in natural history
2
005 - Computer programming, programs & data
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
331 - Labor economics
1
361 - Social problems & social welfare in general
1
384 - Communications; telecommunication
1