«Le Blanc Flies Fast Mile. Covers St. Louis Course in 53 Seconds. Will Be in International Race». New York Times. 15. oktober 1910. «Alfred Le Blanc, who is to pilot the French balloon Isle de France in the international balloon race for the James Gordon Bennett Cup here next week, established to-day what is said to be a world's record for aeroplane speed over a measured course. With a Blériot monoplane Le Blanc made a mile in 53 seconds, incidentally setting an American speed record.»
