Classification
170 - Ethics
320 - Political science
700 - The arts; fine & decorative arts
330 - Economics
14
100 - Philosophy & psychology
12
340 - Law
10
363 - Other social problems & services
9
900 - History & geography
9
140 - Specific philosophical schools
8
333 - Economics of land & energy
7
600 - Technology
6
000 - Computer science, information & general works
5
370 - Education
5
620 - Engineering & allied operations
5
200 - Religion
4
380 - Commerce, communications & transportation
4
581 - Specific topics in natural history
4
610 - Medicine & health
4
551 - Geology, hydrology & meteorology
3
658 - General management
3
800 - Literature & rhetoric
3
300 - Social sciences
2
361 - Social problems & social welfare in general
2
296 - Judaism
1
301 - Sociology & anthropology
1
350 - Public administration & military science
1
398 - Folklore
1
400 - Language
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
780 - Music
1
791 - Public performances
1