Minneapolis Institute of Arts
Minneapolis Institute of Arts: Georgia O'keeffe: Circling Around Abstraction
The online arm of an exhibition staged in 2007, "Circling around Abstraction" showcases dozens of O'Keeffe's modernist works. View details about her career, her interest in abstraction, and a chronological selection of her paintings and...
Smithsonian Institution
Smithsonian American Art Museum: Hyman Bloom
As part of the Smithsonian Art Museum's database of artists, Hyman Bloom is described here along with information on his contributions to art through his work with paintings and drawings in the tradition of expressionism.
Other
Electric Gallery: Abstract Realism Collections
This site includes the works of many realist artists. However, these paintings are more modern "abstract realism" rather than 19th century pieces.
Other
Hunter O'reilly: Abstract Artist and Geneticist
Galleries of artwork and information on the artist Hunter O'Reilly.
Smithsonian Institution
National Portrait Gallery: Eye Contact: Ornette Coleman
A brief audio discussion of Elaine de Kooning's charcoal drawing of saxophonist, Ornette Coleman. Interesting comments by Wendy Wicks Reaves, curator at the National Portrait Gallery.
Other
Brock University: Some Notes on Realism
This site talks about the different aspects of 19th-century realism. (From realist painting to literature)