1. Harvey W . Exercitatio anatomica de motu cordis et sanguinis in animalibus. Frankfurt: Guilielmi Fitzeri, 1628.
2. Malpighi M . De pulmonibus observationes anatomicae. Bologna, 1661.
3. Wharton T . Adenographia; sive glandularum totius corporis descriptio. London: Amstelaedami, 1659.
4. Willis T . Cerebri anatome. London: James Flesher for John Martyn and James Allestry, 1664.
5. Philosophical Transactions. Online articles available at http://rstl.royalsocietypublishing.org/ (accessed January 2013).