Author: Robert Kennedy: Brother Protector (1998), JFK: An Idealist Without Illusions (1975), and Temple University: 125 Years... (2010); Biographical entries for William Jefferson Clinton and Barack Obama, Encyclopedia of American Studies (Johns Hopkins University Press); "Prologue: The Senate Voting Record of Harry S Truman," (M.I.T. Press, 1973); plus several dozen studies and opinion pieces on American political history.