David McCullough greets the Main Stage crowd at the National Book Festival, August 31, 2019. Photo by Shawn Miller/Library of Congress. By Library of Congress Life - 20190831SM1201.jpg, CC0, https://commons.wikimedia.org/w/index.php?curid=82899313
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Foto adicionada por davidgn em May 24, 2020.
Copyright: CC0