History 220 Christian union 113 Ecumenical movement 100 Christianity 93 Religious aspects 91 Relations 90 Catholic Church 80 more ... Church history 74 Doctrines 55 Histoire 50 Religion 48 Theology 46 Church 45 Councils and synods, Ecumenical 37 Theology, Doctrinal 37 Congresses 25 Protestant churches 24 Siena Donor: St. Bernard's Institute 24 Christianity and other religions 23 History of doctrines 22 Judaism 22 Œcuménisme 22 Christian ethics 19 Christianisme 19 Civilization 19 Politics and government 19 Philosophy 17 Religions 16 Social conditions 16 Women 16 less ...