Classification
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371 - Schools & their activities; special education
177
610 - Medicine & health
171
333 - Economics of land & energy
152
686 - Printing & related activities
150
720 - Architecture
148
304 - Factors affecting social behavior
143
775 - Digital photography
127
700 - The arts; fine & decorative arts
116
800 - Literature & rhetoric
113
651 - Office services
112
790 - Recreational & performing arts
104
174 - Occupational ethics
96
152 - Perception, movement, emotions & drives
94
070 - News media, journalism & publishing
90
362 - Social welfare problems & services
89
343 - Military, tax, trade & industrial law
86
616 - Diseases
78
681 - Precision instruments & other devices
75
792 - Stage presentations
75
346 - Private law
72
743 - Drawing & drawings by subject
68
751 - Techniques, equipment, materials & forms
68
910 - Geography & travel
67
003 - Systems
65
660 - Chemical engineering
65
306 - Culture & institutions
64
352 - General considerations of public administration
63
530 - Physics
61
515 - Analysis
60
511 - General principles of mathematics
53
305 - Social groups
45
512 - Algebra
43
776 - Computer art (Digital art)
41
624 - Civil engineering
39
646 - Sewing, clothing & personal living
39
780 - Music
39
336 - Public finance
38
370 - Education
37
628 - Sanitary & municipal engineering
37
796 - Athletic & outdoor sports & games
36
307 - Communities
35
572 - Biochemistry
35
746 - Textile arts
35
570 - Life sciences; biology
34
355 - Military science
33
378 - Higher education
33
615 - Pharmacology & therapeutics
32
779 - Photographs
32
612 - Human physiology
31
337 - International economics
27
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