- Ajax, a play by Sophocles. Multiple English translations exist.
- “Ajax”, by Leonhard Schmitz in Dictionary of Greek and Roman Biography and Mythology, 1870.
- “Ajax (son of Oileus)”, in Encyclopædia Britannica, (11th ed.), 1911
- “Ajax (son of Telamon)”, in Encyclopædia Britannica, (11th ed.), 1911
- “Ajax,” in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)