http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Portrait Gallery (Smithsonian Institution)
203 pages : illustrations (some color), portraits ; 28 cm.
"An exhibition at the National Portrait Gallery, October 16, 1980 to January 4, 1981; and at the Pennsylvania Academy of the Fine Arts, January 30 to April 19, 1981."