Robertson, Alec. Christian music. - [1st ed.] - New York Hawthorn Books [1961] - 157 p. 21 cm. - Twentieth century encyclopedia of Catholicism, v. 125. Section 12, Catholicism and the arts . Includes bibliography. LCCN: 61017950 /L Subjects--Topical Terms: Church music--Catholic Church. LC Class. No.: ML3002 / .R7 Dewey Class. No.: 783.0262