Lou Henry Hoover: A Biographical Sketch - A biography with photos and information on the First Lady's life and place in history, from the Hoover Presidential Library and Museum. - http://www.hoover.archives.gov/education/louhenrybio.html
Encyclopedia Americana: Lou Henry Hoover - Brief insight into the life of the First Lady and wife of Herbert Hoover. - http://gi.grolier.com/presidents/ea/first/31pw.html