ISBN 9781355429272 books & textbook
Magister Choralis. A Theoretical and Practical Manual of Gregorian Chant for the use of the Clergy, Seminarists, Organists, Choir-masters, Choristers, &c.
Haberl, Fr X (Franz Xaver) 1840-1910
Palala Press /2016-05-04 Hardcover / 288 Pages
isbn-10: 1355429277 / isbn-13: 9781355429272
