"'And he that wou'd, what's printed there, erase, / 'As well might hope to blanch a <i>Negro</i>'s Face."
Fable XII. The Negro: Or, Labour in Vain [from Truth in Fiction: Or, Morality in Masquerade] 
See <u>Truth in Fiction: Or, Morality in Masquerade. A Collection of Two hundred twenty five Select Fables of Aesop, and other Authors. Done into English Verse. By Edmund Arwaker</u> (London: Printed for J. Churchill, 1708). &lt;<a href="http://estc.bl.uk/T84697">Link to ESTC</a>&gt;&lt;<a href="http://hdl.handle.net/2027/mdp.39015051426958">Link to HathiTrust</a>&gt;