“How Easily We Forget: The General Slocum Disaster,” New-York Journal of American History, 65:3 (Spring 2004): 98-113.

"Hibernians Versus Hebrews?: A New Look at the 1902 Jacob Joseph Funeral Riot," forthcoming, Journal of the Gilded Age and Progressive Era April 2007 (vol. 6, no. 2).

“Pictures vs. Words?: Public History, Tolerance, and the Challenge of Jacob Riis,” The Public Historian 26:3 (Summer 2004): 7-26.  Click here for pdf version. 

"The Ethnic Crucible: New York's Lower East Side and How It Got That Way," Journal of Urban History (2005) 32: 138-146.

"How the Irish Became Urban: The Irish Experience in Large American Cities," Journal of Urban History 25 (January 1998): 271-286. Click here for pdf version.

“The Irish and Machine Politics in New York City,” Michael Glazier, ed., Encyclopedia of the Irish in America (South Bend: University of Notre Dame Press, 2000): 887-89.

"'The Scattered Debris of the Irish Nation': The Famine Irish and New York City, 1845-1855" in Margaret Crawford, ed., The Hungry Stream: Emigration from Ireland during the Great Famine (Institute of Irish Studies Press, 1997): 49-60.  Click here for pdf version.

"United Front: The Irish and the American Labor Movement," in Terry Golway, The Irish in America (New York: Hyperion Press, 1997): 153-58. Click here for pdf version.

"'Though Not An Irishman': Henry George and the American Irish," American Journal of Economics and Sociology 56 (October 1997): 407-419. Click here for pdf version.

“Progress and Poverty,” in Alice O’Connor and Gwendolyn Mink, eds., The Encyclopedia of Poverty and Social Welfare (ABC-CLIO, 2004)

Thirty Topical Entries, Encyclopedia of New York City, Kenneth T. Jackson, editor (Yale, 1996). 

Biographical entries on Mother Jones, Eugene O’Neill, and Al Smith in Elliott Barkan, ed., Making It in America: A Sourcebook on Eminent Ethnic Americans (Santa Barbara: ABC-CLIO, 2001), 167-168, 266.

"Built Like A Bonfire: The General Slocum Disaster, June 15, 1904," In Kenneth T. Jackson and David S. Dunbar, eds., Empire City: New York Through the Centuries (Columbia University Press, 2002):