Ferris, Eleanor (1902). "The Financial Relations of the Knights Templars to the English Crown". The American Historical Review. 8 (1): 1–17. doi:10.2307/1832571. JSTOR1832571.
Ferris, Eleanor (1902). "The Financial Relations of the Knights Templars to the English Crown". The American Historical Review. 8 (1): 1–17. doi:10.2307/1832571. JSTOR1832571.