Classification
000 - Computer science, information & general works
610 - Medicine & health
3
320 - Political science
2
370 - Education
2
380 - Commerce, communications & transportation
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
700 - The arts; fine & decorative arts
1