Classification
320 - Political science
1,379
330 - Economics
1,379
700 - The arts; fine & decorative arts
900 - History & geography
192
340 - Law
129
630 - Agriculture & related technologies
56
300 - Social sciences
55
600 - Technology
48
370 - Education
17
576 - Genetics & evolution
16
800 - Literature & rhetoric
11
170 - Ethics
7
200 - Religion
7
400 - Language
5
160 - Logic
4
140 - Specific philosophical schools
2
266 - Missions
2
326 - Slavery & emancipation
1
337 - International economics
1
382 - International commerce
1
603 - Dictionaries & encyclopedias
1
720 - Architecture
1