Classification
320 - Political science
330 - Economics
6,621
900 - History & geography
576 - Genetics & evolution
1,289
300 - Social sciences
1,018
340 - Law
592
700 - The arts; fine & decorative arts
192
630 - Agriculture & related technologies
90
200 - Religion
53
100 - Philosophy & psychology
30
370 - Education
26
170 - Ethics
19
800 - Literature & rhetoric
18
610 - Medicine & health
14
160 - Logic
11
400 - Language
11
920 - Biography, genealogy & insignia
10
600 - Technology
8
140 - Specific philosophical schools
6
500 - Natural sciences & mathematics
3
780 - Music
3
550 - Earth sciences
2
304 - Factors affecting social behavior
1
325 - International migration & colonization
1
332 - Financial economics
1
343 - Military, tax, trade & industrial law
1
354 - Administration of economy & environment
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
382 - International commerce
1
520 - Astronomy & allied sciences
1
720 - Architecture
1
913 - Geography of & travel in ancient world
1
917 - Geography of & travel in North America
1
939 - Other parts of ancient world to ca. 640
1
941 - British Isles
1
944 - France & Monaco
1
946 - Iberian Peninsula & adjacent islands
1
954 - South Asia; India
1
972 - Middle America; Mexico
1
973 - United States
1