Classification
800 - Literature & rhetoric
900 - History & geography
1,737
860 - Spanish & Portuguese literatures
848
700 - The arts; fine & decorative arts
491
320 - Political science
402
330 - Economics
383
896 - African literatures
318
410 - Linguistics
317
400 - Language
247
100 - Philosophy & psychology
213
140 - Specific philosophical schools
189
200 - Religion
133
600 - Technology
133
000 - Computer science, information & general works
130
300 - Social sciences
114
340 - Law
103
333 - Economics of land & energy
98
610 - Medicine & health
95
363 - Other social problems & services
91
370 - Education
77
380 - Commerce, communications & transportation
77
620 - Engineering & allied operations
76
830 - Literatures of Germanic languages
70
891 - East Indo-European & Celtic literatures
55
500 - Natural sciences & mathematics
53
576 - Genetics & evolution
53
809 - History, description & criticism
53
170 - Ethics
52
301 - Sociology & anthropology
48
658 - General management
48
580 - Plants (Botany)
43
780 - Music
42
304 - Factors affecting social behavior
40
398 - Folklore
37
720 - Architecture
33
338 - Production
31
791 - Public performances
31
158 - Applied psychology
30
650 - Management & auxiliary services
30
551 - Geology, hydrology & meteorology
29
630 - Agriculture & related technologies
25
296 - Judaism
24
831 - German poetry
24
530 - Physics
23
833 - German fiction
21
581 - Specific topics in natural history
20
297 - Islam, Babism & Bahai Faith
19
540 - Chemistry & allied sciences
17
332 - Financial economics
15
414 - Phonology & phonetics
15
more ...