Hohenburg in their correspondence of 1597. An English translation of the relevant letters is available online. Primary sources Primary sources for the life of Nigidius Figulus include several references in Cicero's letters, and the scholiast on Lucan, Bellum civile I. 639. Major sources for the fragments include Aulus Gellius, Pliny, and Nonius. Important 19th-century scholarship on Nigidius includes Teuffel, History of Roman Literature, 170, and M. Hertz, De N. F. studiis atque operibus (1845). Editions The fragments of Nigidius's works are collected by A. Swoboda, P. Nigidii Figuli Operum Reliquiae (Amsterdam 1964, updated from the 1889 edition), with Quaestiones Nigidianae, a long and very useful introduction in Latin. Swoboda includes a conspectus of sources for the fragments (pp. 138–140). See also Neopythagoreanism Neoplatonism References Sources 90s BC births 45 BC deaths Ancient Roman astrologers Golden Age Latin writers Neo-Pythagoreans Philosophers of Roman Italy Roman Republican praetors Ancient Roman philosophers Ancient Roman scholars of religion Ancient Roman antiquarians 1st-century BC Romans 1st-century BC philosophers Ancient Roman exiles Magi Ancient occultists