Other
History
14
Socialism
4
Anniversaries, etc
3
Politics and government
3
Description and travel
2
Journalism
2
Land tenure
2
Landlord and tenant
2
Political aspects
2
Agricultural productivity
1
Agriculture
1
Christianity
1
Commemoration
1
Democracy
1
Evolution
1
Famine
1
Great powers
1
Imperialism
1
Labor movement
1
Mathematics
1
Nationalism
1
Political and social views
1
Religion
1
Religious aspects
1
Study and teaching
1