AYALA MARTÍNEZ, Carlos de. William J. Purkis: Crusading Spirituality in the Holy Land and Iberia, c.1095-c.1187. Medievalismo, [S. l.], n. 18, p. 443–447, 2008. Disponível em: https://revistas.um.es/medievalismo/article/view/91791. Acesso em: 25 abr. 2024.