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