Classification
200 - Religion
132
900 - History & geography
102
320 - Political science
16
100 - Philosophy & psychology
15
140 - Specific philosophical schools
14
940 - History of Europe
14
301 - Sociology & anthropology
11
170 - Ethics
10
297 - Islam, Babism & Bahai Faith
10
306 - Culture & institutions
10
410 - Linguistics
9
700 - The arts; fine & decorative arts
9
800 - Literature & rhetoric
9
941 - British Isles
9
300 - Social sciences
8
230 - Christianity & Christian theology
7
380 - Commerce, communications & transportation
6
305 - Social groups
5
325 - International migration & colonization
5
400 - Language
5
296 - Judaism
4
780 - Music
3
809 - History, description & criticism
3
820 - English & Old English literatures
3
973 - United States
3
180 - Ancient, medieval & eastern philosophy
2
210 - Philosophy & theory of religion
2
338 - Production
2
340 - Law
2
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
880 - Hellenic literatures; classical Greek
2
930 - History of ancient world to ca. 499
2
944 - France & Monaco
2
000 - Computer science, information & general works
1
001 - Knowledge
1
146 - Naturalism & related systems
1
181 - Eastern philosophy
1
190 - Modern western philosophy
1
280 - Christian denominations & sects
1
299 - Religions not provided for elsewhere
1
330 - Economics
1
418 - Standard usage & applied linguistics
1
509 - Historical, geographic & persons treatment
1
510 - Mathematics
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
more ...