Classification
100 - Philosophy & psychology
3
600 - Technology
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
340 - Law
2
410 - Linguistics
2
000 - Computer science, information & general works
1
330 - Economics
1
333 - Economics of land & energy
1
770 - Photography, photographs & computer art
1
780 - Music
1