Author:Gregory XI

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Gregory XI
(14th century – 1378)
born Pierre Roger de Beaufort; pope from 1370 to 1378
Gregory XI


Works about Gregory XI[edit]

  • "Gregory XI." in the Encyclopædia Britannica, 9th ed. 1880.
  • "Gregory XI." in the Encyclopædia Britannica, 11th ed. 1911.

Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.