Classification
530 - Physics
000 - Computer science, information & general works
8
333 - Economics of land & energy
7
380 - Commerce, communications & transportation
7
330 - Economics
6
600 - Technology
6
700 - The arts; fine & decorative arts
6
320 - Political science
3
340 - Law
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
350 - Public administration & military science
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
657 - Accounting
1
800 - Literature & rhetoric
1