| The Liber Usualis, the book of Gregorian Chant! The Liber Usualis, the book of Gregorian Chant! No 801 - original copyright 1952 Originally published in Belgium in 1953 & edited by the Benedictines of Solesmes Contains all the Little Hours of the Divine Office Introduction and rubrics in English Hardbound, embossed "Liber Usualis" in gold leaf, red page edges Smyth (sewn) binding, 6 colored ribbon markers Includes tone for the Gloria Patri & also the 8 tones of the Psalms Additional material, such as new text of Pope Pius XII for the Assumption, Signum Magnum |