Classification
000 - Computer science, information & general works
1
320 - Political science
330 - Economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
370 - Education
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1