Athenaeus: Δειπνοσοφισταί – Sophists at Dinner
There are a number of versions of Athenaeus available online. The Greek text of Gulick's Loeb edition is available via the Perseus Project; the parallel English translation is partly available at Lacus Curtius. Yonge's 1853 translation is available in a scanned version from the Internet Archive, and in a more user-friendly digital version from the University of Wisconsin Digital Collections.

Athenaeus, trans. Gulick (1927–1941) The Deipnosophists (7 vols). London; Cambridge, Mass: Heinemann; Harvard University Press. http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3atext%3a2008.01.0405 [Greek]
Athenaeus, trans. Gulick (1927–1941) The Deipnosophists (7 vols). London; Cambridge, Mass: Heinemann; Harvard University Press. http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Athenaeus/home.html [partial English trans]

Athenaeus, trans. Yonge (1853) The Deipnosophists; or, Banquet of the Learned, of Athenaeus. London: Henry G. Bohn. —Literally translated by C.D. Yonge, B.A. With an appendix of poetical fragments, rendered into English verse by various authors, and a general index. http://archive.org/details/deipnosophistsor03atheuoft [scanned book]


Athenaeus, trans. Yonge (1853) The Deipnosophists; or, Banquet of the Learned, of Athenaeus. London: Henry G. Bohn. —Literally translated by C.D. Yonge, B.A. With an appendix of poetical fragments, rendered into English verse by various authors, and a general index. http://uwdc.library.wisc.edu/collections/Literature/DeipnoSub [browsable digital version].