Private Clayton K. Slack, United States Army, received the <a href="//commons.wikimedia.org/wiki/Medal_of_Honor" title="Medal of Honor">Medal of Honor</a> for his actions in <a href="//commons.wikimedia.org/wiki/World_War_I" title="World War I">World War I</a>.
Unknown author<span style="display: none;">Unknown author</span>
Published 1921
Donald F. Biggs, ed (1921). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=geALAAAAYAAJ"><i>Illinois in the World War: An Illustrated History of the Thirty-third Division</i></a>. <b>1</b>. Chicago: States Publications Society. p. 391.