Plainsong notation.
Originally published: Tournai, Belgium : Desclée & Co., 1953 [i.e. 1952].
"Republished with additional material ... February 1997."
"Tone for the v. 'Gloria patri' at the introit" and "The eight tones of the Psalms" at beginning of vol.
"Rules for interpretation": p. [xvii]-xxxix.
"Supplement for certain religious congregations" at end of vol.
Includes indexes.
Latin words.