Faith of the Catholic Church, unchanged and unchangeable, shown from the very form of her institution

Eitemau Tebyg

• The Unchangeable church : her heroes, her martyrs, her trials, and her triumphs /
  Wedi'i Greu: (1908)
• Change and the unchangeable /
  gan: Donnelly, Dorothy, 1880-1928
  Wedi'i Greu: (1968)
• Unchanging mission, Biblical and contemporary.
  gan: Webster, Douglas
  Wedi'i Greu: (1965)
• Unchanging duty in a changing world : statement of the Bishops of the United States, 1961.
  Wedi'i Greu: (1961)
• The creed of the Irish unchanged since the days of St. Patrick Lecture delivered in St. Stephen's Church, Nicetown, Philadelphia, on Sunday evening, March 22, 1874.
  gan: Kelly, James
  Wedi'i Greu: (1874)