The Woodruff Gun
Annotations to the Margreiter article.
Source for first Margreiter article.
Dr. John L. Margreiter, Jr., “Union Heroism At Pilot Knob Saved St. Louis From Attack”, Civil War Times Illustrated, Vol. 2, No. 9, January 1964: pp. 10-17.
For the best and most complete account of the Battle of Pilot Knob, see Bryce A. Suderow and R. Scott House, The Battle of Pilot Knob: Thunder in Arcadia Valley. Cape Girardeau, Mo.: Southeast Missouri State University Press, 2014.