Rubricarum instructum is an apostolic letter of Pope John XXIII issued motu proprio on July 25, 1960 promulgating the new Code of Rubrics for both the Roman Breviary and the Roman Missal.
Rubricarum instructum is an apostolic letter of Pope John XXIII issued motu proprio on July 25, 1960 promulgating the new Code of Rubrics for both the Roman Breviary and the Roman Missal. (en)
Rubricarum instructum is an apostolic letter of Pope John XXIII issued motu proprio on July 25, 1960 promulgating the new Code of Rubrics for both the Roman Breviary and the Roman Missal. (en)