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Gregory IX
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1170–1241 · pope of the Catholic Church from 1227 to 1241

Also known as: Gregor IX., Bishop of Ostia Ugolino, Di Segni Ugolino, Gregorius PP. IX, Hugo of Segni, Hugo von Segni

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Known works

  • Les registres de Grégoire IX
  • Decretales D. Gregorii Papae IX
  • Decretales D[omi]ni Pape Gregorii Noni
  • Decretales cum summariis suis et textuum divisionibus ac etiam rubicaru continuationibus
  • Decretales epistole sup[r]emi o[r]todoxe ecclesie principis G[r]ego[r]ii noni