In a letter written in 45 BC, Cassius says to Cicero, "There is nothing that gives me more pleasure to do than to write to you; for I seem to be talking and joking with you face to face" (Ad Fam., xv.19).
Ronald Syme, The Roman Revolution (Oxford University Press, 1939, reprinted 2002), p. 57 online; Elizabeth Rawson, "Caesar: civil war and dictatorship," in The Cambridge Ancient History: The last age of the Roman Republic 146–43 B.C. (Cambridge University Press, 1994), vol. 9, p. 465.
Adkins, Roy A.; Adkins, Lesley (1998). "Republic and Empire". Handbook to Life in Ancient Rome. Oxford University Press US. p. 14. ISBN9780195123326. Retrieved August 7, 2009.
