Mayors Politics and government 50 History 19 General 18 HISTORY 15 BIOGRAPHY & AUTOBIOGRAPHY 14 Legislators 10 State & Local 10 POLITICAL SCIENCE 9 Election 8 Historical 8 Political 8 Governors 6 Elections 5 Midwest (IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI) 5 Politique et gouvernement 5 Middle Atlantic (DC, DE, MD, NJ, NY, PA) 4 Municipal government 4 New England (CT, MA, ME, NH, RI, VT) 4 Race relations 4 Social conditions 4 Administration 3 Economic conditions 3 Economic history 3 Education, Urban 3 Government 3 Histoire 3 Leadership 3 Men 3 Merchants 3