Wright, Joseph, 1734-1797. Joseph Wright of Derby; a selection of paintings from the Collection of Mr. and Mrs. Paul Mellon. [Exhibition] November 22, 1969 to May 1, 1970. - Washington, National Gallery of Art [c1969] - 38 pages : illustrations, portraits ; 26 cm. Text by Ross Watson. LCCN: 79011814 Subjects--Personal Names: Mellon, Paul--Art collections.Mellon, Paul, Mrs. --Art collections. LC Class. No.: ND 497 / W75 A4