Top row, left to right:
"[Portrait of an unidentified woman sitting]," The Baltimore Collection (image courtesy the Museum Collections, University of Delaware Library, Museum, and Press, www.library.udel.edu)
Captain John Bonner, The Town of Boston in New England, 1722 (image courtesy the Massachusetts Historical Society Collections Online, https://www.masshist.org)
Qavavau Mannumi, Birds Holding World, Moon, 1980-1990, Museums Collections, Gift of Frederick and Lucy S. Herman Native American Collection
Bottom row, left to right:
Everett Shinn, "The Mummied Head," Gil Blas, November 6, 1895 (image courtesy the Delaware Art Museum, www.delart.org)
Francis Davis Millet, ca. 1910 (image courtesy the Archives of American Art, Smithsonian Institution, www.aaa.si.edu)
Pueblo Indian Selling Pottery, New Mexico, The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Photography Collection, The New York Public Library (image courtesy the New York Public Library, http://digitalcollections.nypl.org)