Classification
500 - Natural sciences & mathematics
600 - Technology
610 - Medicine & health
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
2
615 - Pharmacology & therapeutics
2
140 - Specific philosophical schools
1
330 - Economics
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
658 - General management
1
800 - Literature & rhetoric
1