"Crawford, Dawes County". Center for Advanced Land Management Information Technologies. University of Nebraska. Archived from the original on August 8, 2014. Retrieved August 4, 2014.
usgennet.org
Nebraska Press Association (1940). Who's Who in Nebraska. Lincoln, Nebraska: Nebraska Press Association. p. 240. Retrieved April 15, 2012.
"Crawford, Dawes County". Center for Advanced Land Management Information Technologies. University of Nebraska. Archived from the original on August 8, 2014. Retrieved August 4, 2014.