Other
Jake Biddington/ash Can School
This is a brief definition of the Ash Can School, a group of American urban realist painters of the early 20th century.
PBS
Pbs Treasures of the World: Guernica Testimony of War
A wonderful site describing Pablo Picasso's "Guernica," a mural he created for the 1937 World's Fair. The resource examines the civil war raging in Picasso's homeland of Spain and the frustration he felt toward the violence taking place...
Library of Congress
Loc: Oliphant's Anthem
An in-depth view of Pat Oliphant's career in editorial cartooning. There are many good images of political satire about issues from the 1960s to the 1990s.
Art Cyclopedia
Artcyclopedia: Chronological Listing of Muralists
ArtCyclopedia's chronological list of muralists from the 19th and 20th centuries. There are links to the artists' biographies and works.
Library of Congress
Loc: Monstrous Craws & Character Flaws
This Library of Congress exhibition overview shows a representative example of cartoons and caricatures from the late 18th century to present time.
US National Archives
Nara: A New Deal for the Arts Activist Arts
The turbulence of the Great Depression is reflected in these images of workers in artwork from the NARA on this site.