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Bio-Bibliographical Guide to Medieval and Early Modern Jurists

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Report No. a245

Gregory X

pope 1271–1276


Alternative Names

Gregory X, Pope (LC); Tebaldo Visconti; Tedaldo Visconti di Piacenza



Convoked the Second Council of Lyon in 1274, the constitutions of which were incorporated into the Liber Sextus (1298).



No. 1

Constitutiones Concilii Lugdunensis secundi. See under Constitutiones Concilii Lugdunensis secundi.



P. Baldwin, Pope Gregory X and the Crusades (Studies in the History of Medieval Religion 41; New York 2014).

F. Vermigli, ‘Gregorius X papa’, in CALMA (2013) IV.4.433a–434a.

B. Roberg, ‘Gregor X.’, in LMA (1989) 4.1672–73.