Subject
Economic conditions
Politics and government
Foreign relations
9
History
8
Social conditions
8
Economic policy
4
Economic aspects
3
Citizenship
2
Civilization
2
Foreign economic relations
2
City and town life
1
Commerce
1
Election
1
Food supply
1
Guilds
1
Islam and state
1
Kurds
1
Neoliberalism
1
Political aspects
1
Political science
1
Presidents
1
Social classes
1
Soldiers
1
Solidarity
1
Taxation
1
World War, 1914-1918
1
World politics
1