Roma has published eleven books of photography since 1996: Come Sunday (1996), Found in Brooklyn (1996), Sunset Park (1998), Higher Ground (1999), Enduring Justice (2001), Sanctuary (2002), Show & Tell (2002), Sicilian Passage (2003), In Prison Air, The Cells of Holmesburg Prison (2005), On Three Pillars (2007), and House Calls (2008). He is the recipient of not one, but two Guggenheim Fellowships. His work can be found in many permanent collections and has been exhibited in innumerable places, including one-person shows at the Museum of Modern Art and the International Center for Photography in New York City. He is a founding contributing photographer for DoubleTake Magazine.