Classification
800 - Literature & rhetoric
900 - History & geography
1,838
860 - Spanish & Portuguese literatures
848
700 - The arts; fine & decorative arts
538
320 - Political science
437
330 - Economics
389
896 - African literatures
318
400 - Language
296
410 - Linguistics
265
100 - Philosophy & psychology
248
140 - Specific philosophical schools
197
300 - Social sciences
180
200 - Religion
178
000 - Computer science, information & general works
139
600 - Technology
138
340 - Law
107
610 - Medicine & health
107
333 - Economics of land & energy
106
363 - Other social problems & services
98
370 - Education
91
380 - Commerce, communications & transportation
90
620 - Engineering & allied operations
76
830 - Literatures of Germanic languages
71
301 - Sociology & anthropology
60
304 - Factors affecting social behavior
58
500 - Natural sciences & mathematics
58
170 - Ethics
57
576 - Genetics & evolution
56
891 - East Indo-European & Celtic literatures
55
780 - Music
53
809 - History, description & criticism
53
658 - General management
50
580 - Plants (Botany)
44
398 - Folklore
41
720 - Architecture
38
338 - Production
33
158 - Applied psychology
30
297 - Islam, Babism & Bahai Faith
30
650 - Management & auxiliary services
30
296 - Judaism
28
551 - Geology, hydrology & meteorology
28
530 - Physics
26
630 - Agriculture & related technologies
25
831 - German poetry
24
581 - Specific topics in natural history
22
833 - German fiction
21
770 - Photography, photographs & computer art
19
791 - Public performances
17
540 - Chemistry & allied sciences
16
332 - Financial economics
15
more ...