The first complete critical edition and English translation of Barcelona Archivo de la Corona de Arag n, Cartes Reales, MS 3344. The Knights Templar, part monastic order, part military force, lived by a firm code, or rule, which exists in differing versions. This Spanish version is a follow-up to J.M. Upton-Ward's highly successful edition of the French Rule. The introduction to this Catalan Rule, Barcelona Archivo de la Corona de Arag n, Cartes...