Templars and Hospitallers as Professed Religious in the Holy Land Riley-Smith, Jonathan Heftet / 2009 / Engelsk
New Cambridge Medieval History: Volume 4, c.1024-c.1198, Part 1 Luscombe, David Heftet / 2015 / Engelsk
New Cambridge Medieval History: Volume 4, c.1024–c.1198, Part 2 Luscombe, David Heftet / 2015 / Engelsk
