Attributed Coat of Arms of Henry VII, King of Germany (according to Matthew Paris, Chronica Majora)
Paris, Matthew (1240-1253)       Chronica Maiora, Part II, St Albans, p. 156 V. Archived from the original on 29 November 2017. Retrieved on 29 November 2017. 
de Troia, Alessandro. Gli stemmi dei figli di Federico II. Stupormundi.it. Alberto Gentile Editore.
de Vries, Hubert. Henry VII  Hohenstaufen – Arms and Images of a Rebellious King. hubert-herald.nl. National Arms and Emblems – Past and Present.
Arms of the Holy Roman Emperor (c.1433-c.1450).svg: Tom-L &amp; Heralder
Shield and Coat of Arms of the Holy Roman Emperor (c.1200-c.1300).svg: Heralder &amp; Tom-L
Attributed Coat and Shield of Arms of Henry VI, Holy Roman Emperor (Codex Manesse).svg: Heralder &amp; Tom-L
Derivate work: The White Lion