Classification
000 - Computer science, information & general works
3
333 - Economics of land & energy
2
700 - The arts; fine & decorative arts
2
380 - Commerce, communications & transportation
1
410 - Linguistics
1
414 - Phonology & phonetics
1
530 - Physics
1
531 - Classical mechanics; solid mechanics
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
621 - Applied physics
1
900 - History & geography
1