G7LDB - Gregory 7th Letter Database
Database of the Letters of Pope Gregory VII (1073-1085): Which letter is in which collection?

Collectio Britannica - visualisation of tradition

Deusdedit, Collectio canonumReg VII, 13Reg VII, 14Reg VI, 2Reg II, 67Reg IX, 14Reg I, 70Reg VIII, 23Reg II, 13Reg II, 63Reg II, 70Reg II, 74Reg IV, 28Reg VIII, 1bReg VIII, 1aReg VIII, 21Reg II, 45Reg IV, 12aReg IX, 3Reg III, 17aReg V, 17Reg IX, 12abCollectio BritannicaReg VIII, 23

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