First Nonstop Continental Flight – Mar. ’97 Aviation History Feature by HistoryNet Staff9/23/19979/27/2016
America’s Fur Empire: How John Jacob Astor Became the US’ First Millionaire by James L. Stokesbury8/19/19974/6/2022
Mexican War: The Proving Ground for Future American Civil War Generals by John C. Waugh4/12/19962/2/2024