“Introduction.” The Attalids of Pergamon, by Esther V. Hansen, 2nd ed., vol. 36, Cornell University Press, ITHACA; LONDON, 1971, pp. xvii-xxi, www.jstor.org/stable/10.7591/j.cttq4444.6. Accessed 24 Jan. 2021.
Hansen, E. (1971). Introduction. In The Attalids of Pergamon (pp. Xvii-Xxi). ITHACA; LONDON: Cornell University Press. Retrieved January 24, 2021, from http://www.jstor.org/stable/10.7591/j.cttq4444.6
Hansen, Esther V. "Introduction." In The Attalids of Pergamon, Xvii-xi. ITHACA; LONDON: Cornell University Press, 1971. Accessed January 24, 2021. http://www.jstor.org/stable/10.7591/j.cttq4444.6.
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