Classification
170 - Ethics
14
330 - Economics
5
100 - Philosophy & psychology
4
171 - Ethical systems
4
363 - Other social problems & services
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
240 - Christian moral & devotional theology
3
300 - Social sciences
3
320 - Political science
3
610 - Medicine & health
3
658 - General management
3
140 - Specific philosophical schools
2
260 - Social & ecclesiastical theology
2
333 - Economics of land & energy
2
340 - Law
2
370 - Education
2
500 - Natural sciences & mathematics
2
780 - Music
2
820 - English & Old English literatures
2
900 - History & geography
2
120 - Epistemology, causation & humankind
1
158 - Applied psychology
1
180 - Ancient, medieval & eastern philosophy
1
183 - Socratic & related philosophies
1
280 - Christian denominations & sects
1
301 - Sociology & anthropology
1
306 - Culture & institutions
1
331 - Labor economics
1
350 - Public administration & military science
1
364 - Criminology
1
520 - Astronomy & allied sciences
1
580 - Plants (Botany)
1
600 - Technology
1
650 - Management & auxiliary services
1
781 - General principles & musical forms
1
810 - American literature in English
1
821 - English poetry
1
874 - Latin lyric poetry
1