The Holy Roman Empire/

Míreanna comhchosúla

• The Idea of the Holy/
  de réir: Otto, Rudolf
  Foilsithe / Cruthaithe: (1923)
• The decline and fall of the Roman empire/
  de réir: GIBBON, Edward
  Foilsithe / Cruthaithe: (1963)
• Decline and fall of the Roman empire why did it collapse?/
  de réir: KAGAN, Donald
  Foilsithe / Cruthaithe: (1962)
• Encyclopaedia of Roman World/
  de réir: Eadia, John
  Foilsithe / Cruthaithe: (1994)
• The Roman republic/
  de réir: Crawford, Michael