Classification
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720 - Architecture
164
670 - Manufacturing
152
410 - Linguistics
150
121 - Epistemology
134
384 - Communications; telecommunication
134
745 - Decorative arts
131
501 - Philosophy & theory
127
791 - Public performances
118
536 - Heat
117
332 - Financial economics
107
361 - Social problems & social welfare in general
105
650 - Management & auxiliary services
105
551 - Geology, hydrology & meteorology
104
160 - Logic
95
025 - Library operations
84
303 - Social processes
84
339 - Macroeconomics & related topics
81
523 - Specific celestial bodies & phenomena
79
520 - Astronomy & allied sciences
78
809 - History, description & criticism
77
540 - Chemistry & allied sciences
71
577 - Ecology
68
531 - Classical mechanics; solid mechanics
67
541 - Physical chemistry
67
535 - Light & infrared & ultraviolet phenomena
60
581 - Specific topics in natural history
57
341 - Law of nations
56
801 - Philosophy & theory
56
364 - Criminology
55
128 - Humankind
54
336 - Public finance
54
142 - Critical philosophy
53
371 - Schools & their activities; special education
53
616 - Diseases
52
612 - Human physiology
51
150 - Psychology
50
580 - Plants (Botany)
49
153 - Mental processes & intelligence
47
571 - Physiology & related subjects
46
381 - Commerce
42
624 - Civil engineering
38
781 - General principles & musical forms
38
910 - Geography & travel
37
001 - Knowledge
36
307 - Communities
35
550 - Earth sciences
34
770 - Photography, photographs & computer art
34
374 - Adult education
33
297 - Islam, Babism & Bahai Faith
32
344 - Labor, social, education & cultural law
31
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