|←Author Index: Gr||Gregory XIV
|born Niccolò Sfondrati; pope from 5 December, 1590 until his death in 1591|
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Works about Pope GregoryEdit
- "Gregory XIV." in the Encyclopædia Britannica, 9th ed.
- ""Gregory (Popes)/Gregory XIV," in Encyclopædia Britannica (11th ed., 1911)" in the Encyclopædia Britannica, 11th ed.
- "Pope Gregory XIV," in Catholic Encyclopedia, (ed.) by Charles G. Herbermann and others, New York: The Encyclopaedia Press (1913)