Classification
300 - Social sciences
1
320 - Political science
16
330 - Economics
17
340 - Law
19
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
15
600 - Technology
1
700 - The arts; fine & decorative arts
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
1
900 - History & geography