"GPO: 1983-381-578/206." Panel title. Alternate title: Cape Hatteras. Includes descriptive index to points of interest, text, and location map. Text and ill. on verso. Available also through the Library of Congress Web site as a raster image.
United States. National Park Service
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/93681896/">https://www.loc.gov/item/93681896/</a>