Le Nombre Musical Gregorien Ou Rythmique Gregorienne, Theorie Et Pratique
Rome and Paris: Societe De Saint Jean L'Evangeliste, circa 1980. Soft Cover. Near Fine. Two quarto soft bound volumes. There are many dates listed but most of them cannot apply to these volumes. The covers state 1927 and there is a copyright date of 1908. There is a date to the rear of volume one stating "Paris, 1950." However, there.....