Athena Parthenos" American Journal of Archaeology 38 (1934) pp 93-106. GiselaRichter, Sculpture and Sculptors of the Greeks, p 220 with ancient references
Zeus at Olympia" (页面存档备份,存于互联网档案馆) Retrieved on 2 December 2001. Gisela M. A. Richter, "The Pheidian Zeus at Olympia" Hesperia 35 .2 (April–June 1966:166-170)