Classification
000 - Computer science, information & general works
3
380 - Commerce, communications & transportation
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1