Classification
100 - Philosophy & psychology
400 - Language
370 - Education
18
410 - Linguistics
13
800 - Literature & rhetoric
12
900 - History & geography
10
000 - Computer science, information & general works
9
120 - Epistemology, causation & humankind
9
300 - Social sciences
8
301 - Sociology & anthropology
8
333 - Economics of land & energy
8
380 - Commerce, communications & transportation
8
140 - Specific philosophical schools
7
170 - Ethics
7
320 - Political science
7
700 - The arts; fine & decorative arts
7
576 - Genetics & evolution
6
200 - Religion
4
330 - Economics
4
530 - Physics
4
780 - Music
4
340 - Law
3
500 - Natural sciences & mathematics
3
600 - Technology
3
363 - Other social problems & services
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
791 - Public performances
2
160 - Logic
1
296 - Judaism
1
398 - Folklore
1
414 - Phonology & phonetics
1
520 - Astronomy & allied sciences
1
590 - Animals (Zoology)
1
658 - General management
1
770 - Photography, photographs & computer art
1