Classification
700 - The arts; fine & decorative arts
12
000 - Computer science, information & general works
11
600 - Technology
9
620 - Engineering & allied operations
8
900 - History & geography
7
333 - Economics of land & energy
5
363 - Other social problems & services
4
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
4
140 - Specific philosophical schools
3
500 - Natural sciences & mathematics
3
610 - Medicine & health
3
414 - Phonology & phonetics
2
330 - Economics
1
340 - Law
1
361 - Social problems & social welfare in general
1
380 - Commerce, communications & transportation
1
511 - General principles of mathematics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
658 - General management
1
720 - Architecture
1
770 - Photography, photographs & computer art
1