Classification
100 - Philosophy & psychology
370 - Education
16
700 - The arts; fine & decorative arts
16
000 - Computer science, information & general works
10
500 - Natural sciences & mathematics
10
600 - Technology
10
170 - Ethics
9
333 - Economics of land & energy
9
610 - Medicine & health
8
900 - History & geography
8
330 - Economics
6
380 - Commerce, communications & transportation
6
400 - Language
6
140 - Specific philosophical schools
5
340 - Law
4
410 - Linguistics
4
300 - Social sciences
3
320 - Political science
3
363 - Other social problems & services
3
530 - Physics
3
620 - Engineering & allied operations
3
120 - Epistemology, causation & humankind
2
612 - Human physiology
2
658 - General management
2
160 - Logic
1
200 - Religion
1
296 - Judaism
1
361 - Social problems & social welfare in general
1
520 - Astronomy & allied sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
780 - Music
1
800 - Literature & rhetoric
1