Apollod. 1.7.7; Soph. Trach. 7; Pausanias (1918). "14.8". Description of Greece. Vol. 3. Translated by W. H. S. Jones; H. A. Ormerod. Cambridge, Massachusetts; London: Harvard University Press; William Heinemann – via Perseus Digital Library.
Pausanias (1918). "31.4". Description of Greece. Vol. 10. Translated by W. H. S. Jones; H. A. Ormerod. Cambridge, Massachusetts; London: Harvard University Press; William Heinemann – via Perseus Digital Library.
Pausanias (1918). "11.3". Description of Greece. Vol. 7. Translated by W. H. S. Jones; H. A. Ormerod. Cambridge, Massachusetts; London: Harvard University Press; William Heinemann – via Perseus Digital Library.
uchicago.edu
penelope.uchicago.edu
Strabo. Geographica. Vol. x. p. 451. Page numbers refer to those of Isaac Casaubon's edition.
See The Geography of Strabo, Book X, Ch. 2 [1] and Ch. 3 [2] at LacusCurtius.