Confessions and Catechisms (OPC) https://opc.org/confessions.html Confession and Catechisms: The Orthodox Presbyterian Church We're the Orthodox Presbyterian Church. Our purpose is simple: to bring glory to God through our churches and individual lives to make known to the world the good news of salvation through Jesus Christ opc.org Westminster Standards (PCA) https://www.pcaac.org/bco/westmins..