Classification
630 - Agriculture & related technologies
330 - Economics
6
900 - History & geography
6
340 - Law
2
300 - Social sciences
1
320 - Political science
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1