Books in Browsing: History - Medieval/The Middle Ages (sorted alphabetically)
- History of the Inquisition of the Middle Ages; volume III Henry Charles Lea
- History of the Knights Templars, the Temple Church, and the Temple C. G. Addison
- History of the Seven Wise Masters of Rome
- History of the Wars, Books V and VI: The Gothic War Procopius
- Hugh, Bishop of Lincoln Charles L. Marson
- Illuminated manuscripts in classical and mediaeval times, their art and their technique J. H. Middleton
- Imperial Crown Wilhelm Raabe
- Improvement of Human Reason Muhammad ibn 'Abd al-Malik Ibn Tufayl
- Inquisition : a political and military study of its establishment Hoffman Nickerson
- In the Days of Chivalry: A Tale of the Times of the Black Prince Evelyn Everett-Green
- In the Days of the Guild Louise Lamprey
- Invasions des Sarrazins en France (French) Joseph Toussaint Reinaud
- Irish precursor of Dante : a study on the Vision of Heaven and Hell ascribed to the eighth-century Irish saint Adamnán, with translation of the Irish text Charles Stuart Boswell
- Iron Arrow Head or The Buckler Maiden: A Tale of the Northman Invasion Eugène Sue
- Italië in de Middeleeuwen: Gedurende duizend jaar (305-1313) (Dutch) H. B. Cotterill
- Itinerary of Benjamin of Tudela active 12th century of Tudela Benjamin
- Ivanhoe (Finnish) Walter Scott
- Ivanhoe (Dutch) Walter Scott
- Ivanhoe (1/4) (French) Walter Scott
- Ivanhoe (2/4) (French) Walter Scott
- Ivanhoe (3/4) (French) Walter Scott
- Ivanhoe (4/4) (French) Walter Scott
- Ivanhoe: A Romance Walter Scott
- Ivar the Viking Paul B. Du Chaillu
- Ivories Ancient and Mediæval William Maskell