Tyerman, Christopher. Las guerras de Dios una nueva historia de las Cruzadas Christopher Tyerman ; Cecilia Belza ... [et al.]. - Barcelona CrÃtica c2007. - xiii, 1344 p., [16] p. of plates col. ill., maps 23 cm. Includes bibliographical references and index. ISBN: 9780674023871 Subjects--Topical Terms: Crusades LC Class. No.: D157 / .T89 2006 Dewey Class. No.: 909.07 / T979g E