|←Author Index: Gr||Gregory VIII
|born Alberto di Morra; pope from October 25, 1187 until his death|
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Works about Pope Gregory
- "Gregory VIII." in the Encyclopædia Britannica, 9th ed. 1880.
- "Pope Gregory VIII." in the Encyclopædia Britannica, 11th ed. 1911.
- “Pope Gregory VIII,” in Catholic Encyclopedia, New York: The Encyclopaedia Press (1913)