Classification
000 - Computer science, information & general works
330 - Economics
370 - Education
400 - Language
600 - Technology
2
700 - The arts; fine & decorative arts
100 - Philosophy & psychology
1
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1
780 - Music
1
900 - History & geography
1