1963, Father Charles A. Bolton, “Beyond the Ecumenical: Pan-deism?”, in Christianity Today, page 21:
"I first came upon this extension of ecumenism into pan-deism among some Roman Catholicscholars interested primarily in the "reunion of the churches," Roman, Orthodox, Anglican." . . . . "We may perhaps ask what is the ultimate aim of the Curia in promoting the pan-deist movement."