Although written in 1870, this relatively brief Irish novel was not published until it was serialised in the Whitehall Review in 1878-79. Such was Trollope’s productivity at the time of its creation that the explanation for the delay may lie simply in a judicious holding back of work for later publication. 1869-70 saw the publication of Phineas Finn and He Knew He was Right in book form following earlier serialisation; The Vicar of Bullhampton, and Sir Harry Hotspur of Humblethwaite in serial and book form; the serialisation of Ralph the Heir; the appearance of a collection of short stories and a translation of The Commentaries of Caesar. It is also possible, however, …
Siddle, Yvonne. "An Eye for An Eye". The Literary Encyclopedia. First published 19 August 2009; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=6616, accessed 19 April 2015.]