|←Author Index: Cl||Pope Clement IV
|Pope from 1265 to 1268.|
Works by Clement IV
Works about Clement IV
- “Pope Clement IV,” in Catholic Encyclopedia, 1913.
- “Clement/Clement IV” in 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.