Books in Browsing: History - Medieval/The Middle Ages (sorted alphabetically)
- Ivory Workers of the Middle Ages Anna Maria Elizabeth Cust
- Jérusalem médiévale (French) Marie Lebert
- Jester LM
- Joan of Arc, the Warrior Maid Lucy Foster Madison
- Journal d'un bourgeois de Paris, 1405-1449 (French)
- Jüdin von Toledo (German) Franz Grillparzer
- Jurgen: A Comedy of Justice James Branch Cabell
- Kertomuksia kirkkohistorian alalta 2: Keski-aika (Finnish) Mauno Rosendal
- King Horn, Floriz and Blauncheflur, The Assumption of Our Lady
- King Olaf's Kinsman Charles W. Whistler
- King's Comrade: A Story of Old Hereford Charles W. Whistler
- Klosterjaeger: Roman aus dem XIV. Jahrhundert (German) Ludwig Ganghofer
- Knights and their days Dr. Doran
- Knights Templars C. G. Addison
- középkor főbb krónikásai a magyarok honfoglalása koráig (Hungarian) Sándor Márki
- Kultarannan impi: Historiallinen kertomus kymmenenneltä vuosisadalta (Finnish) Hilda Huntuvuori
- Kulturgeschichte der Deutschen im Mittelalter (German) Georg Steinhausen
- Lady Sybil's Choice: A Tale of the Crusades Emily Sarah Holt
- Lancelot of the Laik: A Scottish Metrical Romance (About 1490-1500 A. D.)
- last age of the church John Wycliffe
- Laxdæla Saga
- Lay of Havelok the Dane
- Lectures on the rise and development of medieval architecture; vol. 1 Sir George Gilbert Scott
- Lectures on the rise and development of medieval architecture; vol. 2 Sir George Gilbert Scott
- Legendary Islands of the Atlantic: A Study of Medieval Geography William Henry Babcock