Classification
000 - Computer science, information & general works
2
001 - Knowledge
1
016 - Bibliographies of works on specific subjects
1
100 - Philosophy & psychology
5
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
2
150 - Psychology
1
170 - Ethics
1
179 - Other ethical norms
1
193 - Philosophy of Germany & Austria
2
200 - Religion
7
261 - Social theology
2
282 - Roman Catholic Church
2
284 - Protestants of Continental origin
1
300 - Social sciences
11
304 - Factors affecting social behavior
5
320 - Political science
44
322 - Relation of state to organized groups
1
330 - Economics
4
333 - Economics of land & energy
2
338 - Production
1
340 - Law
10
341 - Law of nations
1
342 - Constitutional & administrative law
2
344 - Labor, social, education & cultural law
1
346 - Private law
2
349 - Law of specific jurisdictions & areas
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
370 - Education
3
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
3
600 - Technology
3
610 - Medicine & health
1
612 - Human physiology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
9
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
5
781 - General principles & musical forms
1
791 - Public performances
2
792 - Stage presentations
1
800 - Literature & rhetoric
10
830 - Literatures of Germanic languages
3
900 - History & geography
81
940 - History of Europe
5
943 - Central Europe; Germany
9
944 - France & Monaco
1