Leutze, Emanuel. 1861. "Westward the Course of Empire Takes Its Way" (mural study, U.S. Capitol). This oil on canvas painting measures 33.2 in (84.4 cm) in height and 43.3 in (110.1 cm) in width. Created in the United States of America. Part of the collection at the Smithsonian American Art Museum with the accession number 1931.6.1. Credit line: Smithsonian American Art Museum, Bequest of Sara Carr Upton. Available at Google Arts & Culture with the asset ID RgGCDNd9Y2l73w.