Classification
100 - Philosophy & psychology
370 - Education
700 - The arts; fine & decorative arts
333 - Economics of land & energy
28
300 - Social sciences
24
900 - History & geography
22
320 - Political science
19
600 - Technology
17
610 - Medicine & health
17
140 - Specific philosophical schools
16
380 - Commerce, communications & transportation
13
400 - Language
12
780 - Music
12
000 - Computer science, information & general works
11
330 - Economics
10
363 - Other social problems & services
10
170 - Ethics
8
410 - Linguistics
8
620 - Engineering & allied operations
8
340 - Law
7
200 - Religion
6
301 - Sociology & anthropology
6
500 - Natural sciences & mathematics
6
800 - Literature & rhetoric
6
576 - Genetics & evolution
4
658 - General management
4
770 - Photography, photographs & computer art
4
304 - Factors affecting social behavior
3
540 - Chemistry & allied sciences
3
120 - Epistemology, causation & humankind
2
580 - Plants (Botany)
2
297 - Islam, Babism & Bahai Faith
1
361 - Social problems & social welfare in general
1
520 - Astronomy & allied sciences
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
720 - Architecture
1
791 - Public performances
1