The first printed "Missale Romanum" (Roman Missal), containing the "Ordo Missalis secundum consuetudinem Curiae Romanae" (Order of the Missal in accordance with the custom of the Roman Curia), was produced in Milan in 1474. Almost a whole century passed before the appearance of an edition officially published by order of the Holy See. During that interval, the 1474 Milanese edition was followed by at least 14 other editions: 10 printed in Venice, 3 in Paris, 1 in Lyon. For lack of a controlling authority, these editions differ, sometimes considerably.