Kightley, Michael R. (2006). “Heorot or Meduseld?: Tolkien's Use of 'Beowulf' in 'The King of the Golden Hall'”. Mythlore24 (3/4): 119–134. JSTOR26814548.
Gray (2002年12月). “A Fellowship in Peril”. American Society of Cinematographers. 2021年7月1日閲覧。 “The key dramatic determinant in Lesnie’s method was the change that comes over King Théoden (Bernard Hill) after Gandalf lifts Saruman's spell.”