Example image of eyePlorer eyePlorer map for 'Heidelberg Catechism': Protestantism Reformed churches Catechism Electoral Palatinate Frederick III, Elector Palatine Kaspar Olevianus Zacharias Ursinus Lutheranism Bible Catholic Church Belgic Confession Canons of Dort Synod of Dort Three Forms of Unity Biblical law in Christianity Apostles' Creed Sola fide Baptism Eucharist Sacrament Lord's Prayer Religious conversion Ten Commandments Frederick William III of Prussia Pietism Westminster Assembly Westminster Shorter Catechism Free Reformed Churches of South Africa North American Presbyterian and Reformed Council Orthodox Christian Reformed Church Providence Christian College Free Reformed Churches of Australia Free Reformed Churches of North America Samuel Heinrich Froehlich United Reformed Churches in North America Westminster Seminary California Church of Central Africa Presbyterian - Nkhoma Synod Covenant Reformed Churches Alliance Canadian and American Reformed Churches Evangelical Synod of North America Reformed Church in America Reformed Churches of New Zealand Regulative principle of worship Helvetic Confessions Communion of Saints Middle East Reformed Fellowship G. I. Williamson Netherlands Reformed Congregations United Church of Christ Active obedience of Christ