The End of Hidden Ireland: Rebellion, Eviction and Emigration, 1832-1848 (Oxford University Press, March, 1995) Paperback edition: 1996
"The Famine Emigration from Ireland, 1845-53," a chapter in The Cambridge Survey of World Migration (Cambridge, Cambridge U.P., 1996)
"External Factors in the Famine Migration," Proceedings of the Ulster-American Folk Park Museum Conference, Ulster Historical Foundation and Queens Univ. Belfast, 1997.
"Stony-Hearted Stepmother: Liverpool and the Irish," The Irish in America (1997), Hyperion Press.
"Crime, Punishment and Hunger: the System of Penal Transportation during the Famine," presented at Cambridge Univ., March, 1996, expected publication, Spring, 1998.
American Irish Desk Reference, supervising editor, Random House, Spring 2000.
"The Great Famine," Encyclopedia of the Irish in America (U. of Notre Dame Press, 1999.