Classification
900 - History & geography
1,032
340 - Law
417
320 - Political science
347
200 - Religion
302
300 - Social sciences
244
330 - Economics
208
700 - The arts; fine & decorative arts
170
800 - Literature & rhetoric
128
346 - Private law
126
100 - Philosophy & psychology
117
400 - Language
112
943 - Central Europe; Germany
88
370 - Education
85
301 - Sociology & anthropology
79
610 - Medicine & health
78
410 - Linguistics
56
510 - Mathematics
55
230 - Christianity & Christian theology
48
830 - Literatures of Germanic languages
48
530 - Physics
45
620 - Engineering & allied operations
42
616 - Diseases
39
306 - Culture & institutions
38
576 - Genetics & evolution
37
658 - General management
37
363 - Other social problems & services
36
500 - Natural sciences & mathematics
33
780 - Music
32
140 - Specific philosophical schools
31
170 - Ethics
30
296 - Judaism
29
940 - History of Europe
29
305 - Social groups
28
820 - English & Old English literatures
28
833 - German fiction
27
000 - Computer science, information & general works
26
600 - Technology
26
831 - German poetry
26
338 - Production
24
630 - Agriculture & related technologies
24
227 - Epistles
23
150 - Psychology
21
304 - Factors affecting social behavior
21
380 - Commerce, communications & transportation
21
160 - Logic
19
332 - Financial economics
19
270 - History of Christianity & Christian church
18
809 - History, description & criticism
18
001 - Knowledge
17
226 - Gospels & Acts
17
more ...