Ricci, Seymour de. Catalogue of a Collection of Gallo-Roman Antiquities Belonging to J. Pierpont Morgan. Paris: C. Berger, 1911. no. 247, fig. XIII.
Smith, Reginald A. A Guide to Antiquities of the Early Iron Age in the Department of British and Mediæval Antiquities. 2nd ed. London: British Museum, 1925. p. 62, nos. 6410, fig. 60 (similar gold torc with same buffer terminals).
Moscati, Sabatino, ed. The Celts. New York: Rizzoli, 1991. p. 245.