National Gallery of Art
National Gallery of Art: Impressionism
The site from the National Gallery of Art contains a short overview of the Impressionist movement - several works are featured, with audio analysis of the paintings. More extensive galleries of Edouard Manet and Claude Monet are linked.
National Gallery of Art
National Gallery of Art: American Impressionists
This site provides many examples of American Impressionistic work. Also, under the section titled "Overview", it gives information into the origins of American Impressionism (click the "continued" link after the paragraph).
Art Institute of Chicago
Art Institute of Chicago
At the online home of the Art Institute of Chicago, browse the full scope and focus of the museum's collections of French impressionism, photography, architectural drawing, European decorative arts, American art, textiles, African art,...
Other
Gallery of American Impressionism
This resource is an online gallery where you can search through many American Impressionists works.
Other
American Impressionist Selections
A great list provided of American Impressionist artists and their exhibits. A visual site of artist's paintings of impressionism style.
Art Cyclopedia
Artcyclopedia: Edgar Degas
Artcyclopedia maintains an impressive list of links to museum sites and archives where images of Degas's work can be viewed. The museum sites, especially, often include curatorial commentaries about exhibited works to aid understanding...