Date based on Powers' approximate age in the two photos that depict him. <br>Sheet of small photographic prints of Powers and his sculptures, as well as portraits of Joel T. Hart, William Cullen Bryant, and Henry Wadsworth Longfellow, and two buildings: Hawthorn's Tower and Galileo's Tower. Each image is annotated beneath in pen. Portraits by L. Powers (Longworth Powers, Hiram's son).
Longworth Powers. Page of photographs of various works by Hiram Powers and two images of the artist, 186-?. Hiram Powers papers, 1819-1953. Archives of American Art, Smithsonian Institution.
Current copyright status is undetermined
Archives of American Art, Smithsonian Institution Washington, D.C. 20560