Classification
900 - History & geography
78
100 - Philosophy & psychology
28
320 - Political science
23
800 - Literature & rhetoric
15
700 - The arts; fine & decorative arts
14
200 - Religion
9
300 - Social sciences
8
330 - Economics
8
400 - Language
7
140 - Specific philosophical schools
6
301 - Sociology & anthropology
6
831 - German poetry
5
170 - Ethics
3
304 - Factors affecting social behavior
3
600 - Technology
3
830 - Literatures of Germanic languages
3
943 - Central Europe; Germany
3
230 - Christianity & Christian theology
2
296 - Judaism
2
333 - Economics of land & energy
2
340 - Law
2
370 - Education
2
530 - Physics
2
576 - Genetics & evolution
2
780 - Music
2
000 - Computer science, information & general works
1
001 - Knowledge
1
070 - News media, journalism & publishing
1
120 - Epistemology, causation & humankind
1
155 - Differential & developmental psychology
1
199 - Philosophy in other geographic areas
1
232 - Jesus Christ & his family
1
303 - Social processes
1
305 - Social groups
1
306 - Culture & institutions
1
363 - Other social problems & services
1
410 - Linguistics
1
610 - Medicine & health
1
720 - Architecture
1
823 - English fiction
1
832 - German drama
1
833 - German fiction
1
839 - Other Germanic literatures
1
882 - Classical Greek dramatic poetry & drama
1
891 - East Indo-European & Celtic literatures
1
920 - Biography, genealogy & insignia
1
930 - History of ancient world to ca. 499
1
940 - History of Europe
1
953 - Arabian Peninsula & adjacent areas
1