Antepreparatory Stage (Acta et Documenta Concilio Oecumenico Vaticano II apparando Series I) Volume I: Acts of the Supreme Pontiff John XXIII Volume II: Counsels and Wishes of the Bishops and Prelates Volume III: Proposals and Advice of the Holy Congregations of the Roman Curia Volume IV: Studies and Wishes of the Ecclesiastical and Catholic Universities…