He is the author of The Greater New York Sports Chronology (2010); New York, Year by Year: a Chronology of the Great Metropolis (2002); Historic Preservation in Queens (1990); and Lighting the Way: a Centennial History of the Queens Borough Public Library (1996). He contributed to the Encyclopedia of New York City; The Encyclopedia of New York State; and Robert Moses and the Modern City: the Transformation of New York, and has been published in the Journal of Planning History, New York History, and the Long Island History Journal. He has a PhD from the CUNY Graduate School in Urban History, and an MLS from Queens College. He has been active in historic preservation in New York City since the 1980s.