Smithsonian Institution
National Postal Museum: Art of the Stamp: Robert Penn Warren
View the artwork for a U.S. postage stamp issued in 2005 to commemorate Robert Penn Warren, America's first official poet laureate. With a short biographical passage.
My Hero Project
My Hero: Robert Penn Warren
Discover the American poet Robert Penn Warren, recipient of three Pulitzer Prizes for his poems and plays. This profile features the poem "Lullaby: Smile in Sleep."