Classification
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282 - Roman Catholic Church
2
302 - Social interaction
2
321 - Systems of governments & states
2
337 - International economics
2
364 - Criminology
2
370 - Education
2
530 - Physics
2
616 - Diseases
2
721 - Architectural structure
2
910 - Geography & travel
2
952 - Japan
2
980 - History of South America
2
994 - Australia
2
001 - Knowledge
1
016 - Bibliographies of works on specific subjects
1
100 - Philosophy & psychology
1
111 - Ontology
1
121 - Epistemology
1
170 - Ethics
1
172 - Political ethics
1
260 - Social & ecclesiastical theology
1
261 - Social theology
1
262 - Ecclesiology
1
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
307 - Communities
1
308 - [Unassigned]
1
309 - [Unassigned]
1
323 - Civil & political rights
1
324 - The political process
1
332 - Financial economics
1
341 - Law of nations
1
344 - Labor, social, education & cultural law
1
350 - Public administration & military science
1
352 - General considerations of public administration
1
356 - Infantry forces & warfare
1
362 - Social welfare problems & services
1
378 - Higher education
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
389 - Metrology & standardization
1
417 - Dialectology & historical linguistics
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
576 - Genetics & evolution
1
629 - Other branches of engineering
1
711 - Area planning
1
728 - Residential & related buildings
1
745 - Decorative arts
1
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