Classification
000 - Computer science, information & general works
200 - Religion
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
600 - Technology
1
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
1
900 - History & geography