A catalogue of Western manuscripts at the Bodleian Libraries and selected Oxford colleges

Henry IV, Holy Roman Emperor, 1050–1106: Epistolae [Latin]

Bibliography:
  • Die Briefe Heinrichs IV, ed. C. Erdmann, M.G.H. Deutsches Mittelalter 1 (1937).

The above references reflect only the current coverage of the online catalogue and may not be comprehensive.