 Complete the following phrase:  A condensed version of his Masters dissertation was published as a chapter in The great famine 1956 edited by R. D. Edwards and T. D. Williams. In fact as documented by Cormac O Gráda, R.D. Edwards relied on his post graduate student for much of the structuring of that work, and ONeill was able to contribute a chapter of his choosing. Sections relating to relief works were omitted, but ONeill published these as journal articles, one of the few professional historians to study this aspect of the 