Classification
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809 - History, description & criticism
16
378 - Higher education
15
384 - Communications; telecommunication
15
400 - Language
15
510 - Mathematics
15
670 - Manufacturing
15
307 - Communities
13
792 - Stage presentations
13
371 - Schools & their activities; special education
12
515 - Analysis
12
720 - Architecture
12
794 - Indoor games of skill
12
410 - Linguistics
11
660 - Chemical engineering
11
780 - Music
11
910 - Geography & travel
11
982 - Argentina
11
040 - [Unassigned]
10
158 - Applied psychology
10
361 - Social problems & social welfare in general
10
512 - Algebra
10
581 - Specific topics in natural history
10
150 - Psychology
9
297 - Islam, Babism & Bahai Faith
9
430 - Germanic languages; German
9
511 - General principles of mathematics
9
576 - Genetics & evolution
9
579 - Microorganisms, fungi & algae
9
650 - Management & auxiliary services
9
709 - Historical, geographic & persons treatment
9
062 - Organizations in British Isles; in England
8
153 - Mental processes & intelligence
8
509 - Historical, geographic & persons treatment
8
571 - Physiology & related subjects
8
612 - Human physiology
8
624 - Civil engineering
8
628 - Sanitary & municipal engineering
8
770 - Photography, photographs & computer art
8
940 - History of Europe
8
025 - Library operations
7
070 - News media, journalism & publishing
7
128 - Humankind
7
155 - Differential & developmental psychology
7
323 - Civil & political rights
7
342 - Constitutional & administrative law
7
577 - Ecology
7
951 - China & adjacent areas
7
324 - The political process
6
325 - International migration & colonization
6
516 - Geometry
6
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