Classification
380 - Commerce, communications & transportation
600 - Technology
900 - History & geography
000 - Computer science, information & general works
2
200 - Religion
1
304 - Factors affecting social behavior
1
320 - Political science
1
330 - Economics
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1