History of the Peloponnesian War
Thucydides
Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.
The same winter the Lacedaemonian Hippocrates sailed out from Peloponnese with ten Thurian ships under the command of Dorieus, son of Diagoras, and two colleagues, one Laconian and one Syracusan vessel, and arrived at Cnidus, which had already revolted at the instigation of Tissaphernes.