(These are only the latest books I have used in writing the three volumes of The Sorceress's Tale. A more extensive listing occurs at the end of my previous novel, The Sacred Pool.)
Casson, Lionel; Travel in the Ancient World; Johns Hopkins University Press, Baltimore and London, 1974.
Delbruck, Hans; Warfare In Antiquity, Volume One of the History of the Art of War; University of Nebraska Press, Lincoln and London, 1990.
Dodge, Theodore Ayrault; Hannibal; Da Capo Press, New York, 1995.
Funck-Brentano, Fr.; A History of Gaul: Celtic, Roman and Frankish Rule; Barnes and Noble, New York, 1993.
Grant, Michael; History of Rome; Charles Scribner's Sons, New York, 1978.
Hall, W. H.; The Romans on the Riviera and the Rhone: a Sketch of the Conquest of Liguria and the Roman Province; Ares Publishers Inc., Chicago, 1898.
Peterson, Roger Tory, Guy Mountfort and P. A. D. Hollum; Birds of Britain and Europe (Peterson Field Guides), Houghton Mifflin, Boston and New York, 1993.
Polybius; The Rise of the Roman Empire, Penguin Books, London, 1979.
Van Dam, Raymond; Leadership and Community in Late Antique Gaul; University of California Press, Berkeley, Los Angeles, Oxford, 1985.