[http://www.nga.gov/content/ngaweb/research/casva/research-projects.html A Project of the National Gallery of Art, Center for Advanced Study in the Visual Arts ]
Johann Hermann Carmiencke (1810-1867), Hyde Park, signed and dated 'H. Carmiencke Hyde Park 1856" (lower right), oil on canvas, 17½ x 25¾ in. (44.5 x 65.4 cm.), National Park Service, Vanderbilt Mansion, VAMA 5021.