Rathbone, Eliza E. “Mark Rothko: The Brown and Gray Paintings.” In American Art at Mid-Century: The Subjects of the Artist, by E.A. Carmean, Jr. et al. National Gallery of Art, Washington, 1978: 242–269.
Mark Rothko: Works on Paper will ultimately document approximately 2,600 works from public and private collections worldwide. Cataloging is ongoing, and works and information will be added to the site during the coming years.