An account of the Dissection of a Human Embryo of about the Fourth Week of Gestation, with some Observations on the Early Development of the Human Heart
Arthur Farre. "An account of the Dissection of a Human Embryo of about the Fourth Week of Gestation, with some Observations on the Early Development of the Human Heart." Transactions of the Microscopical Society of London 3.1 (1852) 65-73