Sources History 37 United States 16 Politics and government 11 Foreign relations 7 Speeches, addresses, etc., American 6 World politics 6 Cold War 5 African Americans 4 Causes 4 Civil rights 4 Europe 4 Race relations 4 Campaigns 3 History, Military 3 Juvenile literature 3 Military history, Modern 3 Pictorial works 3 Soviet Union 3 World war, 1939-1945 3 Arab relations 2 Australia 2 Biography 2 Civil rights movements 2 Correspondence 2 Jewish 2 Jewish-Arab relations 2 Jews 2 Military leadership 2 Personal narratives 2