Classification
400 - Language
410 - Linguistics
1,139
900 - History & geography
613
700 - The arts; fine & decorative arts
550
800 - Literature & rhetoric
296
370 - Education
264
100 - Philosophy & psychology
236
320 - Political science
231
000 - Computer science, information & general works
181
340 - Law
176
380 - Commerce, communications & transportation
157
330 - Economics
151
414 - Phonology & phonetics
140
600 - Technology
118
140 - Specific philosophical schools
112
300 - Social sciences
112
333 - Economics of land & energy
107
491 - East Indo-European & Celtic languages
98
200 - Religion
91
500 - Natural sciences & mathematics
88
301 - Sociology & anthropology
69
620 - Engineering & allied operations
67
610 - Medicine & health
66
363 - Other social problems & services
49
304 - Factors affecting social behavior
47
576 - Genetics & evolution
47
780 - Music
41
170 - Ethics
40
297 - Islam, Babism & Bahai Faith
25
720 - Architecture
23
120 - Epistemology, causation & humankind
22
530 - Physics
20
398 - Folklore
17
580 - Plants (Botany)
16
160 - Logic
12
551 - Geology, hydrology & meteorology
10
581 - Specific topics in natural history
10
658 - General management
10
891 - East Indo-European & Celtic literatures
10
630 - Agriculture & related technologies
9
296 - Judaism
7
770 - Photography, photographs & computer art
7
808 - Rhetoric & collections of literature
7
831 - German poetry
7
840 - Literatures of Romance languages
7
401 - Philosophy & theory
6
791 - Public performances
6
830 - Literatures of Germanic languages
6
306 - Culture & institutions
5
430 - Germanic languages; German
5
more ...