Classification
300 - Social sciences
330 - Economics
3
340 - Law
370 - Education
700 - The arts; fine & decorative arts
900 - History & geography
100 - Philosophy & psychology
2
320 - Political science
2
380 - Commerce, communications & transportation
2
400 - Language
2
620 - Engineering & allied operations
2
658 - General management
2
140 - Specific philosophical schools
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
410 - Linguistics
1
600 - Technology
1
610 - Medicine & health
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
1