Thirty plain, but sound reasons, why Protestants differ from popery : to which are added, thirty-four points held by many papists, which were never yet rationally proved by any of them

Míreanna comhchosúla

• Thirty Poems
  de réir: Merton, Thomas, 1915-1968
  Cruthaithe: (1944)
• Thirty years of communism! /
  de réir: Quinn, P. J.
  Cruthaithe: (1951)
• The thirty days' prayer.
  Cruthaithe: (1924)
• The Thirty-Fourth Rule.
  Cruthaithe: (1957)
• Thirty favorite novenas.
  Cruthaithe: (1972)