Classification
900 - History & geography
700 - The arts; fine & decorative arts
136
800 - Literature & rhetoric
31
100 - Philosophy & psychology
22
720 - Architecture
20
300 - Social sciences
19
320 - Political science
12
200 - Religion
10
140 - Specific philosophical schools
8
780 - Music
7
791 - Public performances
7
770 - Photography, photographs & computer art
6
301 - Sociology & anthropology
5
380 - Commerce, communications & transportation
5
809 - History, description & criticism
5
400 - Language
4
410 - Linguistics
4
600 - Technology
4
340 - Law
3
000 - Computer science, information & general works
2
170 - Ethics
2
330 - Economics
2
370 - Education
2
576 - Genetics & evolution
2
610 - Medicine & health
2
709 - Historical, geographic & persons treatment
2
750 - Painting & paintings
2
830 - Literatures of Germanic languages
2
001 - Knowledge
1
111 - Ontology
1
128 - Humankind
1
222 - Historical books of Old Testament
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
391 - Costume & personal appearance
1
394 - General customs
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
529 - Chronology
1
530 - Physics
1
620 - Engineering & allied operations
1
704 - Special topics in fine & decorative arts
1
891 - East Indo-European & Celtic literatures
1
943 - Central Europe; Germany
1