Classification
330 - Economics
2
333 - Economics of land & energy
340 - Law
500 - Natural sciences & mathematics
2
600 - Technology
2
620 - Engineering & allied operations
2
900 - History & geography
2
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
700 - The arts; fine & decorative arts
1