Chicago: University of Chicago Press. 1950. First Edition in English. Hardcover. First English language edition. 8vo. (ix), 274, . Binding red cloth, silver gilt titles on spine, bottom front corner mildly bumped. Dust jacket clipped, rubbed, shelf wear to extremities. Very Good in Dust Jacket. Item #309969
¶ The first publication of many key medieval Latin texts on comets including the writings of Aegidius of Lessines, & Peter of Limoges.