"*GPO: 1991--281-954/20170." Relief shown by shading. Panel title. Alternate title: Pea Ridge. Includes touring information. Text, col. ill., and maps showing action on March 7 and 8, 1862 on verso. Available also through the Library of Congress Web site as a raster image.
United States. National Park Service
1991
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/91684722/">https://www.loc.gov/item/91684722/</a>