History 8 Politics and government 6 Judges 4 Abolitionists 3 African Americans 3 Labor unions 3 Presidents 3 Feminists 2 Iron industry and trade 2 Officials and employees 2 Presidents' spouses 2 Statesmen 2 Steel industry and trade 2 African American abolitionists 1 Art 1 Big business 1 Civilization 1 Depressions 1 Diplomatic relations 1 Executive power 1 Foreign relations 1 Frontier and pioneer life 1 Governors 1 Historians 1 Indians of North America 1 Indigenous peoples 1 Industrialists 1 Latter Day Saint churches 1 Legislators 1 Mexican American agricultural laborers 1