Classification
400 - Language
410 - Linguistics
161
900 - History & geography
101
700 - The arts; fine & decorative arts
74
370 - Education
33
414 - Phonology & phonetics
33
800 - Literature & rhetoric
27
380 - Commerce, communications & transportation
26
320 - Political science
23
000 - Computer science, information & general works
22
100 - Philosophy & psychology
18
300 - Social sciences
16
340 - Law
16
140 - Specific philosophical schools
12
301 - Sociology & anthropology
10
330 - Economics
8
200 - Religion
7
297 - Islam, Babism & Bahai Faith
7
333 - Economics of land & energy
7
576 - Genetics & evolution
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
5
600 - Technology
5
780 - Music
5
120 - Epistemology, causation & humankind
4
620 - Engineering & allied operations
4
720 - Architecture
4
791 - Public performances
4
398 - Folklore
3
160 - Logic
2
170 - Ethics
2
296 - Judaism
2
530 - Physics
2
920 - Biography, genealogy & insignia
2
770 - Photography, photographs & computer art
1