Classification
333 - Economics of land & energy
4
610 - Medicine & health
658 - General management
140 - Specific philosophical schools
3
363 - Other social problems & services
3
000 - Computer science, information & general works
2
330 - Economics
2
380 - Commerce, communications & transportation
2
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
600 - Technology
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
364 - Criminology
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
900 - History & geography
1