International Congress of Gregorian Chant : held at the Metropolitan Cathedral Church of St. Patrick, New York, on June 1st, 2nd and 3rd, 1920.

Míreanna comhchosúla

• Gregorian chant, a barometer of religious fervor in the Catholic Church.
  de réir: Thuis, Stephen, O. S. B., 1895-
  Cruthaithe: (1952)
• Gregorian chant, a barometer of religious fervor in the Catholic Church.
  de réir: Thuis, Stephen, O. S. B., 1895-
  Cruthaithe: (1952)
• Fundamentals of Gregorian chant : a basis for class notes and study /
  de réir: Keller, Dominic J. (Dominic Joseph), 1902-
  Cruthaithe: (1959)
• A new school of Gregorian chant /
  de réir: Johner, Dominicus, 1874-1955
  Cruthaithe: (1906)
• Gregorian chant : according to the principles of Dom André Mocquereau of Solesmes /
  de réir: Ward, Justine Bayard, 1879-1975
  Cruthaithe: (1923)