A Source Book of Mediæval History Documents Illustrative of European Life and Institutions from the German Invasions to the Renaissance

CHAPTER XVI.--THE CONFLICT OVER INVESTITURE

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45. Gregory VII.'s Conception of the Papal Authority 261

46. Letter of Gregory VII. to Henry IV. (1075) 264

47. Henry IV.'s Reply to Gregory's Letter (1076) 269

48. Henry IV. Deposed by Gregory (1076) 272

49. The Penance of Henry IV. at Canossa (1077) 273

50. The Concordat of Worms (1122) 278