Classification
500 - Natural sciences & mathematics
000 - Computer science, information & general works
3
340 - Law
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
333 - Economics of land & energy
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
600 - Technology
1
610 - Medicine & health
1
664 - Food technology
1
900 - History & geography
1