Dec 4, 1963 Sacrosanctum Concilium – Constitution on the Sacred Liturgy – Second Vatican Council By The Editors
Feb 2, 1961 Religiosorum Institutio Instruction on the Careful Selection And Training Of Candidates For The States Of Perfection And Sacred Orders By The Editors
Sep 3, 1958 De musica sacra et sacra liturgia – Instruction on Sacred Music and Sacred Liturgy By The Editors