Offers biographical data and a review of works exhibited at the National Gallery of Art, Washington, DC.

Includes biography and paintings for the American born painter and graphic artist.

Fact Monster encyclopedia article provides information covering the life and works of the artist. Includes bibliography.

Provides a biography about the American painter and etcher with a focus on the artist's works that have appeared on stamps. Includes images.

Includes biography and a timeline of important dates in the life of the artist. From The Worldwide Art Gallery.