Charles E. Pickett (Iowa Congressman)
S. J. Clarke Publishing Company (Chicago, IL), publisher.
<a rel="nofollow" class="external text" href="https://books.google.com/books?id=i5oUAAAAYAAJ&amp;printsec=frontcover">"History of Black Hawk County, Iowa, and Its People"</a>. Volume 2. 1915. Page 273. Via Google Books.