|←Author Index: Gr||Gregory VI
|born John Gratian; Pope from 1 May 1045 until his abdication at the Council of Sutri on 20 December 1046|
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Works about Gregory VI
- "Gregory VI." in the Encyclopædia Britannica, 9th ed. 1880.
- "Gregory VI." in the Encyclopædia Britannica, 11th ed. 1911.