Classification
200 - Religion
300 - Social sciences
2
301 - Sociology & anthropology
330 - Economics
363 - Other social problems & services
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
2
900 - History & geography
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
333 - Economics of land & energy
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1