Classification
200 - Religion
900 - History & geography
60
800 - Literature & rhetoric
28
100 - Philosophy & psychology
23
320 - Political science
16
700 - The arts; fine & decorative arts
14
300 - Social sciences
10
140 - Specific philosophical schools
7
370 - Education
6
301 - Sociology & anthropology
5
330 - Economics
5
363 - Other social problems & services
5
000 - Computer science, information & general works
4
304 - Factors affecting social behavior
4
380 - Commerce, communications & transportation
4
400 - Language
4
410 - Linguistics
4
600 - Technology
4
780 - Music
3
170 - Ethics
2
296 - Judaism
2
297 - Islam, Babism & Bahai Faith
2
333 - Economics of land & energy
2
340 - Law
2
361 - Social problems & social welfare in general
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
120 - Epistemology, causation & humankind
1
230 - Christianity & Christian theology
1
273 - Doctrinal controversies & heresies
1
284 - Protestants of Continental origin
1
398 - Folklore
1
530 - Physics
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
937 - Italy & adjacent territories to 476
1