Classification
320 - Political science
20
300 - Social sciences
9
140 - Specific philosophical schools
7
700 - The arts; fine & decorative arts
3
981 - Brazil
3
121 - Epistemology
2
301 - Sociology & anthropology
2
323 - Civil & political rights
2
330 - Economics
2
900 - History & geography
2
190 - Modern western philosophy
1
321 - Systems of governments & states
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
800 - Literature & rhetoric
1
972 - Middle America; Mexico
1