Classification
640 - Home & family management
21
700 - The arts; fine & decorative arts
14
900 - History & geography
11
170 - Ethics
9
330 - Economics
8
000 - Computer science, information & general works
6
100 - Philosophy & psychology
6
610 - Medicine & health
6
620 - Engineering & allied operations
6
300 - Social sciences
5
320 - Political science
5
140 - Specific philosophical schools
4
200 - Religion
4
301 - Sociology & anthropology
4
333 - Economics of land & energy
4
780 - Music
4
820 - English & Old English literatures
4
380 - Commerce, communications & transportation
3
600 - Technology
3
800 - Literature & rhetoric
3
110 - Metaphysics
2
305 - Social groups
2
363 - Other social problems & services
2
370 - Education
2
400 - Language
2
630 - Agriculture & related technologies
2
646 - Sewing, clothing & personal living
2
658 - General management
2
770 - Photography, photographs & computer art
2
111 - Ontology
1
158 - Applied psychology
1
296 - Judaism
1
302 - Social interaction
1
306 - Culture & institutions
1
338 - Production
1
340 - Law
1
378 - Higher education
1
381 - Commerce
1
384 - Communications; telecommunication
1
391 - Costume & personal appearance
1
410 - Linguistics
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
570 - Life sciences; biology
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
617 - Surgery & related medical specialties
1
650 - Management & auxiliary services
1
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