Classification
530 - Physics
500 - Natural sciences & mathematics
37
333 - Economics of land & energy
15
700 - The arts; fine & decorative arts
13
620 - Engineering & allied operations
11
000 - Computer science, information & general works
9
510 - Mathematics
5
900 - History & geography
4
340 - Law
3
003 - Systems
1
006 - Special computer methods
1
140 - Specific philosophical schools
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
414 - Phonology & phonetics
1
519 - Probabilities & applied mathematics
1
540 - Chemistry & allied sciences
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
780 - Music
1
791 - Public performances
1