Cf. reviews by R. Ast, in BMCR 2014.02.23, and J. Dijkstra, in Phoenix, 68 (2014), 370–373, with Wilkinson's response in "More Evidence for the Date of Palladas" Zeitschrift für Papyrologie und Epigraphik, 196 (2015), 67–71, and "ΠΡΥΤΑΝΙΣ and Cognates in Documentary Papyri and Greek Literature" Zeitschrift für Papyrologie und Epigraphik, 196 (2015), 88–93; see, most recently, A. Cameron, "The Date of Palladas" Zeitschrift für Papyrologie und Epigraphik, 198 (2016), 49–52.
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cj.camws.org
Kevin W. Wilkinson, New Epigrams of Palladas: A Fragmentary Papyrus Codex (P.CtYBR inv. 4000) (Durham, NC: The American Society of Papyrologists, 2012). ISBN978-0-9799758-5-1 See the review by Lucia Floridi, CJ-Online 2014.04.07.