Bull, Marcus Knightly piety and the lay response to the First Crusade : the Limousin and Gascony, c.970-c.1130 / Marcus Bull - Oxford : Clarendon Press, 1993 - XIV, 328 p. ; 22 cm Incluye referencias bibliográficas (p. [289]-313) e índices ISBN: 0198203543 Subjects--Corporate Names: Iglesia--Historia--Edad Media Subjects--Topical Terms: Cruzadas--Historia--Francia--970-1130 Universal Decimal Class. No.: 27"653"