D’Innocenzo’s publications have highlighted themes of diversity and communication, both historically and in the present. He co-edited William Cullen Bryant and His America, his own chapter focusing on Bryant’s 50 year career as a newspaper editor, including comparisons with Benjamin Franklin and views of the role of newspapers in a democratic society. He co-edited Immigration and Ethnicity: American Society – “Melting Pot’ or ‘Salad Bowl.’ He also served as consultant and commentator on the PBS documentary, The Italian Americans. Included in the more than two dozen articles and chapters he has written is “From ‘Youth Ghettos’ to International Civic Engagement: Connecting the Campus and the Larger Community” in Deliberation and the Work of Higher Education (2008). He is co-editor of The 1930s: The Reality and the Promise (published in 2016 by Cambridge Scholars’ Press) which includes his chapter “Will Rogers: The Humorist as Social Critic.” He now writes a biweekly column for Blank Slate Media.