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