6 Constitutional law 4 History 4 Politics and government 2 Constitutional history 2 Education 2 People with mental disabilities 1 Aeronautics 1 Airplanes 1 Civics 1 Defenses 1 Foreign relations 1 Handwriting 1 History, Modern 1 Meteorology 1 Models 1 Penmanship 1 Study and teaching (Secondary) 1 World War, 1939-1945