'Writing in the Journal of Egyptian Archaeology for July 1924, on "The Castanet Dancers of Arsinoe," Professor W.L. Westermann of Cornell University says: "Among the members of the Dionysiae guild at Ptolemais we find listed a cithara player, a singer to cithara accompaniment, a dancer, a flageolet player for tragic performances, and trumpeter" (page 143).'The Builder Magazine - March 1928 apud www.phoenixmasonry.org