Bibliography
S. F. Weiskittel and Leighton Durham Reynolds, 'Vitruvius' in Texts and Transmission: A Survey of the Latin Classics, ed. by L. D. Reynolds (Oxford: Clarendon Press, 1983), pp. 440-45 (pp. 440-44; see also p. xxv).
Plommer, H. (1971). The Circle of the Winds in Vitruvius i. 6. The Classical Review, 21(2), 159-162. Retrieved April 21, 2021, from http://www.jstor.org/stable/707228