The Middle Ages - Knowles, David, b. 1896.; Obolensky, Dimitri, 1918- (New York, McGraw-Hill, 1968)
Issued also in French under title: Le moyen age, and in German under title: Früh- und Hochmittelalten.
Bibliography: p. [473]-491.
Keywords: Church history -- Middle Ages, 600-1500.; Middle Ages