Glenn Alexander Magee (2011), "Zeitgeist", The Hegel Dictionary, Continuum International Publishing Group, p. 262, ISBN9781847065919
Clark, Willene B., A Medieval Book of Beasts: The Second-Family Bestiary, Commentary, Art, Text And Translation, p. 54, 2006, Boydell Press, ISBN0851156827, 9780851156828, google books
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Summarized in his article "Evolution of Ancient Art: Trends in the Style of Greek Vases and Egyptian Painting", Visual Arts Research, Vol. 16, No. 1(31) (Spring 1990), pp. 31–47, University of Illinois Press, JSTORArchived 2016-09-20 at the Wayback Machine
"What Is Poetry?", "Petronius Arbiter", The Art World, Vol. 3, No. 6 (Mar., 1918), pp. 506–511, JSTORArchived 2018-12-15 at the Wayback Machine
Review by Mary Ann Levine of The Uses of Style in Archaeology, edited by Margaret Conkey and Christine Hastorf (see further reading), pp. 779–780, American Antiquity, Vol. 58, No. 4 (Oct., 1993), Society for American Archaeology, JSTORArchived 2016-09-20 at the Wayback Machine
Summarized in his article "Evolution of Ancient Art: Trends in the Style of Greek Vases and Egyptian Painting", Visual Arts Research, Vol. 16, No. 1(31) (Spring 1990), pp. 31–47, University of Illinois Press, JSTORArchived 2016-09-20 at the Wayback Machine
Review by Mary Ann Levine of The Uses of Style in Archaeology, edited by Margaret Conkey and Christine Hastorf (see further reading), pp. 779–780, American Antiquity, Vol. 58, No. 4 (Oct., 1993), Society for American Archaeology, JSTORArchived 2016-09-20 at the Wayback Machine
