Durling, Robert M. Time and the crystal studies in Dante's rime petros Robert M. Durling and Ronald L. Martinez - Berkeley University of California Press 1990 - xii, 486p. 24cm - Centennial book . Includes index, bibliography ISBN: 0520064887 Subjects--Personal Names: Dante, Alighieri Subjects--Topical Terms: Love in literatureCosmology in literature Dewey Class. No.: 851.09 / DUR