Classification
820 - English & Old English literatures
618
870 - Italic literatures; Latin literature
10
800 - Literature & rhetoric
8
700 - The arts; fine & decorative arts
6
000 - Computer science, information & general works
5
333 - Economics of land & energy
5
500 - Natural sciences & mathematics
5
320 - Political science
4
600 - Technology
4
340 - Law
3
576 - Genetics & evolution
3
260 - Social & ecclesiastical theology
2
330 - Economics
2
410 - Linguistics
2
610 - Medicine & health
2
780 - Music
2
140 - Specific philosophical schools
1
170 - Ethics
1
200 - Religion
1
290 - Other religions
1
300 - Social sciences
1
370 - Education
1
510 - Mathematics
1
515 - Analysis
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1
658 - General management
1
720 - Architecture
1
831 - German poetry
1
840 - Literatures of Romance languages
1
850 - Italian, Romanian & related literatures
1
851 - Italian poetry
1
880 - Hellenic literatures; classical Greek
1
881 - Classical Greek poetry
1
900 - History & geography
1
970 - History of North America
1