Federal Election Commission. Archived from the unique on March 28, 2008. Retrieved April 24, 2008. Gonyea, Dan (September 19, 2007). "Obama's Loss May Have Aided White House Bid". Gautschi, Walter (March 2008). "Leonhard Euler: His Life, the Man, and His Works". Stokoe, Elizabeth Simons, Savannah Drury, John Michie, Susan Parker, Melissa Phoenix, Ann Reicher, Stephen Wardlaw, Bishop West, Robert (3 March 2022).