Classification
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515 - Analysis
8
338 - Production
7
531 - Classical mechanics; solid mechanics
7
538 - Magnetism
7
614 - Incidence & prevention of disease
7
140 - Specific philosophical schools
6
301 - Sociology & anthropology
6
546 - Inorganic chemistry
6
550 - Earth sciences
6
592 - Invertebrates
6
629 - Other branches of engineering
6
631 - Techniques, equipment & materials
6
900 - History & geography
6
050 - General serial publications
5
320 - Political science
5
548 - Crystallography
5
641 - Food & drink
5
664 - Food technology
5
502 - Miscellany
4
510 - Mathematics
3
518 - Numerical analysis
3
523 - Specific celestial bodies & phenomena
3
599 - Mammals
3
061 - Organizations in North America
2
155 - Differential & developmental psychology
2
340 - Law
2
370 - Education
2
401 - Philosophy & theory
2
414 - Phonology & phonetics
2
520 - Astronomy & allied sciences
2
578 - Natural history of organisms
2
582 - Plants noted for characteristics & flowers
2
628 - Sanitary & municipal engineering
2
636 - Animal husbandry
2
658 - General management
2
005 - Computer programming, programs & data
1
025 - Library operations
1
057 - Serials in Slavic languages
1
100 - Philosophy & psychology
1
109 - Historical & collected persons treatment
1
150 - Psychology
1
302 - Social interaction
1
306 - Culture & institutions
1
307 - Communities
1
325 - International migration & colonization
1
327 - International relations
1
332 - Financial economics
1
337 - International economics
1
344 - Labor, social, education & cultural law
1
362 - Social welfare problems & services
1
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