Classification
338 - Production
658 - General management
9
333 - Economics of land & energy
8
900 - History & geography
7
300 - Social sciences
6
343 - Military, tax, trade & industrial law
4
302 - Social interaction
3
330 - Economics
3
670 - Manufacturing
3
381 - Commerce
2
500 - Natural sciences & mathematics
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
320 - Political science
1
331 - Labor economics
1
600 - Technology
1
813 - American fiction in English
1