|←Author Index: Ma||Pope Martin IV
|Pope from 1281 to 1285.|
Works by Martin IV
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Works about Martin IV
- “Pope Martin IV,” in Catholic Encyclopedia, 1913.
- “Martin (popes)” 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.