United States
Asian American History and Culture: an Encyclopedia by 
The Concise Princeton Encyclopedia of American Political History by Encyclopedia of Social Welfare History in North America by The Encyclopedia of Strikes in American History by United States
Historical Dictionary of the Civil Rights Movement by 
Historical Dictionary of U. S. Diplomacy from World War I Through World War II by 
Historical Dictionary of United States Intelligence by 
Historical Dictionary of United States Political Parties by 
The Oxford Encyclopedia of American Military and Diplomatic History by 
Political and Historical Encyclopedia of Women by 
