Tech4Learning
Pics4 Learning: Images for Education: Sculpture
Dozens of useful photos of various sculptures from around the world! A useful reference in an art or history class. Browse through the examples, then click to enlarge.
Smithsonian Institution
Smithsonian American Art Museum: Hiram Powers
As part of the Smithsonian Art Museum's database of artists, Hiram Powers is described here along with information on his contributions to art through sculpture, and most famously his portrait busts of idealized figures.