Bernhart Henn (Iowa Congressman)
Charles J. Fulton, author. "Annals of Iowa" magazine (Des Moines, IA).
<a rel="nofollow" class="external text" href="https://books.google.com/books?id=DlhIAAAAYAAJ&amp;pg=PA84&amp;dq">"Jefferson County at the Beginning of the Civil War"</a>. July-October 1913. After page 84.