Plato

• Plato (1865), by John Stuart Mill
• Plato (1874), by Clifton Wilbraham Collins

• "Plato", in Imperial Dictionary of Universal Biography, Volume 3 (1876)
• "Plato," in Encyclopædia Britannica, Ninth Edition (v. 19) (1885)
• "Plato," in Encyclopædia Britannica (11th ed., 1911)
• "Plato and Platonism," in Catholic Encyclopedia, (ed.) by Charles G. Herbermann and others, New York: The Encyclopaedia Press (1913)

For the author, see Author:Plato