Classification
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340 - Law
177
612 - Human physiology
172
664 - Food technology
168
304 - Factors affecting social behavior
166
537 - Electricity & electronics
164
650 - Management & auxiliary services
158
547 - Organic chemistry
156
370 - Education
153
539 - Modern physics
153
910 - Geography & travel
152
770 - Photography, photographs & computer art
138
381 - Commerce
135
691 - Building materials
124
534 - Sound & related vibrations
122
025 - Library operations
121
536 - Heat
116
355 - Military science
112
332 - Financial economics
109
414 - Phonology & phonetics
108
303 - Social processes
103
581 - Specific topics in natural history
103
543 - Analytical chemistry
102
668 - Technology of other organic products
99
579 - Microorganisms, fungi & algae
98
512 - Algebra
95
535 - Light & infrared & ultraviolet phenomena
93
577 - Ecology
93
617 - Surgery & related medical specialties
91
615 - Pharmacology & therapeutics
90
800 - Literature & rhetoric
89
511 - General principles of mathematics
88
677 - Textiles
80
371 - Schools & their activities; special education
75
627 - Hydraulic engineering
73
662 - Explosives, fuels & related products
73
400 - Language
72
641 - Food & drink
71
781 - General principles & musical forms
70
100 - Philosophy & psychology
68
001 - Knowledge
66
526 - Mathematical geography
63
572 - Biochemistry
63
794 - Indoor games of skill
63
681 - Precision instruments & other devices
61
523 - Specific celestial bodies & phenomena
60
697 - Heating, ventilating & air-conditioning
59
631 - Techniques, equipment & materials
57
343 - Military, tax, trade & industrial law
51
516 - Geometry
50
546 - Inorganic chemistry
50
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