^Clarke, Maude V. (1932–34). "William of Windsor in Ireland, 1369-1376". Proceedings of the Royal Irish Academy: Archaeology, Culture, History, Literature. 41: 55–130. JSTOR25515963. The returns are preceded by a short narrative describing the refusal of the Parliament of Kilkenny (October 6, 1375) to grant an aid to the king [p.123] […] The sheriff of Carlow. […] Their inability was explained to the Governor and to Dagworth in the Parliament of Kilkenny by Godfrey de Valle and Philip de Valle, knights representing the county. [p.125]
O'Hart, John (2007). The Irish and Anglo-Irish Landed Gentry: When Cromwell came to Ireland. Vol. II. Heritage Books. ISBN978-0-7884-1927-0.
Leigh Rayment's historical List of Members of the Irish House of Commons. Cites: Johnston-Liik, Edith Mary (2002). The History of the Irish Parliament 1692-1800 (6 volumes). Ulster Historical Foundation.