Classification
900 - History & geography
1,027
340 - Law
384
320 - Political science
347
200 - Religion
302
300 - Social sciences
238
330 - Economics
207
700 - The arts; fine & decorative arts
165
800 - Literature & rhetoric
127
100 - Philosophy & psychology
116
400 - Language
110
943 - Central Europe; Germany
88
370 - Education
79
610 - Medicine & health
76
301 - Sociology & anthropology
75
510 - Mathematics
55
346 - Private law
49
230 - Christianity & Christian theology
48
830 - Literatures of Germanic languages
48
530 - Physics
45
620 - Engineering & allied operations
42
306 - Culture & institutions
38
576 - Genetics & evolution
37
616 - Diseases
37
658 - General management
37
363 - Other social problems & services
35
500 - Natural sciences & mathematics
34
780 - Music
32
140 - Specific philosophical schools
31
170 - Ethics
29
296 - Judaism
29
305 - Social groups
28
820 - English & Old English literatures
28
940 - History of Europe
28
410 - Linguistics
27
833 - German fiction
27
000 - Computer science, information & general works
26
831 - German poetry
26
600 - Technology
25
338 - Production
24
630 - Agriculture & related technologies
24
227 - Epistles
23
150 - Psychology
21
380 - Commerce, communications & transportation
21
304 - Factors affecting social behavior
20
347 - Civil procedure & courts
20
160 - Logic
19
270 - History of Christianity & Christian church
18
650 - Management & auxiliary services
18
809 - History, description & criticism
18
226 - Gospels & Acts
17
more ...