Portrait of Gustavus (Gustav) Sohon taken in 1863
Not stated
1863
<cite style="font-style:normal">Ewers, John C. (1948). "<a rel="nofollow" class="external text" href="https://archive.org/details/smithsonianmisce1101949smit/page/n79">Gustavus Sohon's portraits of Flathead and Pend d'Oreille Indians, 1854</a>". <i>Smithsonian Miscellaneous Collections</i> <b>110</b> (7): 1-68.</cite>