Classification
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540 - Chemistry & allied sciences
18
327 - International relations
16
770 - Photography, photographs & computer art
16
791 - Public performances
14
332 - Financial economics
12
520 - Astronomy & allied sciences
11
302 - Social interaction
9
338 - Production
8
322 - Relation of state to organized groups
7
324 - The political process
7
305 - Social groups
6
261 - Social theology
5
335 - Socialism & related systems
5
382 - International commerce
5
398 - Folklore
5
615 - Pharmacology & therapeutics
5
831 - German poetry
5
303 - Social processes
4
342 - Constitutional & administrative law
4
909 - World history
4
949 - Other parts of Europe
4
266 - Missions
3
270 - History of Christianity & Christian church
3
306 - Culture & institutions
3
331 - Labor economics
3
355 - Military science
3
362 - Social welfare problems & services
3
491 - East Indo-European & Celtic languages
3
193 - Philosophy of Germany & Austria
2
230 - Christianity & Christian theology
2
321 - Systems of governments & states
2
325 - International migration & colonization
2
337 - International economics
2
343 - Military, tax, trade & industrial law
2
347 - Civil procedure & courts
2
351 - Public administration
2
353 - Specific fields of public administration
2
378 - Higher education
2
603 - Dictionaries & encyclopedias
2
808 - Rhetoric & collections of literature
2
830 - Literatures of Germanic languages
2
833 - German fiction
2
917 - Geography of & travel in North America
2
973 - United States
2
001 - Knowledge
1
016 - Bibliographies of works on specific subjects
1
070 - News media, journalism & publishing
1
111 - Ontology
1
133 - Specific topics in parapsychology & occultism
1
172 - Political ethics
1
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