1710-1767 1740-1748 18thcentury 2011l-607 2012g-557 2015d-501 2017i-225 610 ancient aphorisms approximately234-approximately305 arab arabic astrology austriansuccession buchanan earlyworksto1800 embryology empirical greekandroman history john medical medicalastrology medicalcare medicine military militarymedicine philosophy plato porphyry soul sources warof