Classification
540 - Chemistry & allied sciences
000 - Computer science, information & general works
10
700 - The arts; fine & decorative arts
8
363 - Other social problems & services
5
600 - Technology
4
140 - Specific philosophical schools
2
301 - Sociology & anthropology
2
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
380 - Commerce, communications & transportation
2
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
2
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
800 - Literature & rhetoric
1
900 - History & geography
1