Ullrich, Dieter C. (25 May 2010). "Henry Ward Manuscript". Murray State University Libraries. Archived from the original on 15 February 2015. Retrieved 15 February 2015.
"Henry T. Ward". Kentucky Transportation Center. University of Kentucky. Retrieved 15 February 2015.
web.archive.org
Ullrich, Dieter C. (25 May 2010). "Henry Ward Manuscript". Murray State University Libraries. Archived from the original on 15 February 2015. Retrieved 15 February 2015.