History 40 Biography 23 African Americans 18 Politics and government 9 Women 8 Authors, American 7 Childhood and youth 7 more ... Civil rights 6 Presidents' spouses 6 Womyn 6 African American civil rights workers 5 African American women 5 Civil rights workers 5 Holocaust, Jewish (1939-1945) 5 Officials and employees 5 Presidents 5 Race relations 5 Authorship 4 Photographers 4 Political activity 4 Abolitionists 3 African American authors 3 Air pilots 3 Artists 3 Fugitive slaves 3 Jews 3 Kings and rulers 3 Legislators 3 Physicians 3 Physicists 3 less ...