Classification
398 - Folklore
900 - History & geography
26
800 - Literature & rhetoric
19
200 - Religion
13
301 - Sociology & anthropology
13
410 - Linguistics
9
700 - The arts; fine & decorative arts
9
400 - Language
8
100 - Philosophy & psychology
4
610 - Medicine & health
4
780 - Music
4
140 - Specific philosophical schools
3
300 - Social sciences
3
320 - Political science
3
340 - Law
3
581 - Specific topics in natural history
3
000 - Computer science, information & general works
2
170 - Ethics
2
333 - Economics of land & energy
2
600 - Technology
2
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
658 - General management
1
720 - Architecture
1
770 - Photography, photographs & computer art
1
791 - Public performances
1
803 - Dictionaries & encyclopedias
1
920 - Biography, genealogy & insignia
1