Classification
300 - Social sciences
13
378 - Higher education
13
001 - Knowledge
11
330 - Economics
11
570 - Life sciences; biology
11
620 - Engineering & allied operations
11
900 - History & geography
10
006 - Special computer methods
9
296 - Judaism
9
305 - Social groups
9
519 - Probabilities & applied mathematics
9
000 - Computer science, information & general works
8
005 - Computer programming, programs & data
8
020 - Library & information sciences
8
003 - Systems
6
320 - Political science
6
380 - Commerce, communications & transportation
6
973 - United States
6
200 - Religion
5
370 - Education
5
629 - Other branches of engineering
5
636 - Animal husbandry
5
658 - General management
5
940 - History of Europe
5
306 - Culture & institutions
4
333 - Economics of land & energy
4
500 - Natural sciences & mathematics
4
700 - The arts; fine & decorative arts
4
800 - Literature & rhetoric
4
895 - Literatures of East & Southeast Asia
4
004 - Data processing & computer science
3
025 - Library operations
3
028 - Reading & use of other information media
3
332 - Financial economics
3
338 - Production
3
531 - Classical mechanics; solid mechanics
3
610 - Medicine & health
3
621 - Applied physics
3
641 - Food & drink
3
664 - Food technology
3
791 - Public performances
3
809 - History, description & criticism
3
869 - Portuguese literature
3
100 - Philosophy & psychology
2
174 - Occupational ethics
2
210 - Philosophy & theory of religion
2
303 - Social processes
2
327 - International relations
2
340 - Law
2
371 - Schools & their activities; special education
2
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