LAY, Stephen. «The Reconquest Kings of Portugal. Political and Cultural Reorientation on the Medieval Frontier». Basingstoke: Palgrave MacMillan, 2009, 332 pp. (2012).
Studia Historica. Historia Medieval,
29, 259-262.
https://revistas.usal.es/uno/index.php/Studia_H_Historia_Medieval/article/view/8735