Protestant churches History 93 Church history 61 Religious aspects 45 Christianity 30 Religion 21 Doctrines 18 more ... Liberalism (Religion) 17 Protestantism 13 History of doctrines 12 Missions 12 Christianity and politics 11 Evangelicalism 11 Christian sociology 10 Relations 9 Clergy 8 Race relations 8 Politics and government 7 Catholic Church 6 Church and social problems 5 History and criticism 5 Missions, American 5 African Americans 4 Foreign relations 4 Political activity 4 Protestants 4 Christianity and other religions 3 Economics 3 Ethnic relations 3 Indians of North America 3 less ...