Ferris, Eleanor (1902). "The Financial Relations of the Knights Templars to the English Crown". American Historical Review. 8 (1). doi:10.2307/1832571. JSTOR1832571.
jstor.org
Ferris, Eleanor (1902). "The Financial Relations of the Knights Templars to the English Crown". American Historical Review. 8 (1). doi:10.2307/1832571. JSTOR1832571.