National Gallery of Art overview of Ruscha's word paintings, with excellent images.
A video entitled "Why does Ed Ruscha Paint Words?" produced by SFMOMA. Ruscha discusses his influences, the relationship of his paintings to books and photography, and the use of language in his work.
An brief artists bio by Karen Breuer, Curator at Fine Arts Museums of Sam Francisco.
Brief review of 'Scratches on the Film' at North Carolina Museum of Art.