He is the author of Women of the Dáil: Gender, Republicanism, and the Anglo-Irish Treaty (2006) and Imagining Ireland’s Independence: The Debates over the Anglo-Irish Treaty of 1921 (2006) as well as several articles on the political culture of the early Irish Free State. He is currently at work on a book-length study of Cumann na nGaedheal as well as an article on the Farmers’ Party in the Free State.