Books in Browsing: History - Medieval/The Middle Ages (sorted alphabetically by author)
- Readings in the History of Education: Mediaeval Universities Arthur O. Norton
- Studies on the Legend of the Holy Grail Alfred Trübner Nutt
- An Essay on Mediæval Economic Teaching George O'Brien
- The Art of War in the Middle Ages A.D. 378-1515 Charles Oman
- The Bondman: A Story of the Times of Wat Tyler Mrs. O'Neill
- Dante and the early astronomers M. A. Orr
- La leggenda di Saladino (Italian) Gaston Bruno Paulin Paris
- Education in England in the Middle Ages Albert William Parry
- Epistola ad Coroticum (Latin) Saint Patrick
- Petrarch, the First Modern Scholar and Man of Letters Francesco Petrarca
- Il re dei re, vol. 4 (Italian) Ferdinando Petruccelli della Gattina
- Il re dei re, vol. 2 (Italian) Ferdinando Petruccelli della Gattina
- Il re dei re, vol. 1 (Italian) Ferdinando Petruccelli della Gattina
- Histoire de l'hérésie des Albigeois, et de la sainte guerre entreprise contre eux de l'an 1203 à l'an 1218 (French) Sarnensis Petrus
- Chronica de El-Rei D. Affonso V (Vol. I) (Portuguese) Rui de Pina
- Les anciennes démocraties des Pays-Bas (French) Henri Pirenne
- Europe in the Middle Ages Ierne L. Plunket
- The Travels of Marco Polo — Volume 2 Marco Polo and da Pisa Rusticiano
- The Castle of Twilight Margaret Horton Potter
- Medieval English Nunneries c. 1275 to 1535 Eileen Power
- Medieval People Eileen Power
- History of the Wars, Books V and VI: The Gothic War Procopius
- Books and their makers during the Middle Ages : A study of the conditions of the production and distribution of literature from the fall of the Roman Empire to the close of the seventeenth century, Vol. I George Haven Putnam
- Books and their makers during the Middle Ages : A study of the conditions of the production and distribution of literature from the fall of the Roman empire to the close of the seventeenth century, Vol. II George Haven Putnam
- Otto of the Silver Hand Howard Pyle