Classification
001 - Knowledge
6
002 - The book
2
003 - Systems
4
004 - Data processing & computer science
1
005 - Computer programming, programs & data
8
006 - Special computer methods
8
100 - Philosophy & psychology
1
149 - Other philosophical systems
1
150 - Psychology
17
153 - Mental processes & intelligence
3
155 - Differential & developmental psychology
6
174 - Occupational ethics
1
189 - Medieval western philosophy
1
190 - Modern western philosophy
1
191 - Philosophy of United States & Canada
1
193 - Philosophy of Germany & Austria
1
199 - Philosophy in other geographic areas
1
282 - Roman Catholic Church
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
18
301 - Sociology & anthropology
3
302 - Social interaction
4
303 - Social processes
2
304 - Factors affecting social behavior
1
306 - Culture & institutions
11
320 - Political science
2
325 - International migration & colonization
1
330 - Economics
5
332 - Financial economics
5
333 - Economics of land & energy
2
338 - Production
1
340 - Law
1
341 - Law of nations
2
343 - Military, tax, trade & industrial law
4
347 - Civil procedure & courts
1
349 - Law of specific jurisdictions & areas
1
362 - Social welfare problems & services
1
363 - Other social problems & services
6
364 - Criminology
2
379 - Public policy issues in education
1
388 - Transportation; ground transportation
2
401 - Philosophy & theory
3
410 - Linguistics
1
414 - Phonology & phonetics
1
415 - Grammar
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
107
502 - Miscellany
8
507 - Education, research & related topics
1
510 - Mathematics
48
more ...