Godly Hero: The Life of William Jennings Bryan. New York: Alfred A. Knopf. 2006. ISBN 978-0-375-41135-9. Leech, Margaret. IntheDaysofMcKinley. New York:
"Crucible of Empire" (页面存档备份,存于互联网档案馆); Ten days after President McKinley's death, the residents of Balangiga, a tiny village 400 miles southeast of Manila