The new Eucharistic legislation a commentary on the apostolic constitution Christus Dominus and on the instruction of the Holy Office on the discipline to be observed concerning the Eucharistic fast - Pope Pius XII|Holy Office (Instructio)|John C. Ford SJ (New York Kenedy, 1953)
Keywords: Lord's Supper -- Fasting before communion -- Catholic Church -- Encyclical of Pius XII, Christus Dominus, text -- Catholic Church -- Holy Office -- Instructio, text