Classification
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340 - Law
180
304 - Factors affecting social behavior
175
612 - Human physiology
174
664 - Food technology
174
537 - Electricity & electronics
165
539 - Modern physics
161
910 - Geography & travel
157
547 - Organic chemistry
155
370 - Education
153
650 - Management & auxiliary services
141
381 - Commerce
137
691 - Building materials
137
770 - Photography, photographs & computer art
137
534 - Sound & related vibrations
125
332 - Financial economics
124
025 - Library operations
121
303 - Social processes
116
536 - Heat
116
355 - Military science
112
414 - Phonology & phonetics
108
543 - Analytical chemistry
103
581 - Specific topics in natural history
103
579 - Microorganisms, fungi & algae
99
668 - Technology of other organic products
99
577 - Ecology
96
512 - Algebra
92
617 - Surgery & related medical specialties
92
615 - Pharmacology & therapeutics
90
511 - General principles of mathematics
89
800 - Literature & rhetoric
89
535 - Light & infrared & ultraviolet phenomena
85
371 - Schools & their activities; special education
80
627 - Hydraulic engineering
78
641 - Food & drink
75
677 - Textiles
75
400 - Language
72
781 - General principles & musical forms
70
100 - Philosophy & psychology
68
001 - Knowledge
64
697 - Heating, ventilating & air-conditioning
63
794 - Indoor games of skill
63
343 - Military, tax, trade & industrial law
62
523 - Specific celestial bodies & phenomena
62
572 - Biochemistry
62
681 - Precision instruments & other devices
61
526 - Mathematical geography
58
631 - Techniques, equipment & materials
58
321 - Systems of governments & states
51
516 - Geometry
50
546 - Inorganic chemistry
50
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