Allen, Alexander (1867). "Aesopus (2)". In Smith, William (ed.). Dictionary of Greek and Roman Biography and Mythology. Vol. 1. p. 48. Archived from the original on 2011-05-14. Retrieved 2007-10-31.; Note: The 1853 text has the error Letronno instead of the name of the famous French archaeologist and scholar Letronne.
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Allen, Alexander (1867). "Aesopus (2)". In Smith, William (ed.). Dictionary of Greek and Roman Biography and Mythology. Vol. 1. p. 48. Archived from the original on 2011-05-14. Retrieved 2007-10-31.; Note: The 1853 text has the error Letronno instead of the name of the famous French archaeologist and scholar Letronne.