Classification
400 - Language
700 - The arts; fine & decorative arts
900 - History & geography
20
800 - Literature & rhetoric
16
100 - Philosophy & psychology
13
000 - Computer science, information & general works
12
320 - Political science
12
410 - Linguistics
12
140 - Specific philosophical schools
9
333 - Economics of land & energy
9
200 - Religion
7
330 - Economics
7
370 - Education
7
380 - Commerce, communications & transportation
7
300 - Social sciences
6
600 - Technology
6
780 - Music
6
304 - Factors affecting social behavior
5
610 - Medicine & health
5
363 - Other social problems & services
4
120 - Epistemology, causation & humankind
3
301 - Sociology & anthropology
3
720 - Architecture
3
340 - Law
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
620 - Engineering & allied operations
2
770 - Photography, photographs & computer art
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
520 - Astronomy & allied sciences
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
658 - General management
1
791 - Public performances
1
808 - Rhetoric & collections of literature
1