(1974). William Copley: An exhibition of the artists work from 1946-1974 / co-organized by Onnasch Galerie, New York, and Moore College of Art Gallery, Philadelphia. Onnasch Galerie [u.a.].
Chicago-Zitierstil (17. Ausg.)William Copley: An Exhibition of the Artists Work from 1946-1974 / Co-organized by Onnasch Galerie, New York, and Moore College of Art Gallery, Philadelphia. New York: Onnasch Galerie [u.a.], 1974.
MLA-Zitierstil (8. Ausg.)William Copley: An Exhibition of the Artists Work from 1946-1974 / Co-organized by Onnasch Galerie, New York, and Moore College of Art Gallery, Philadelphia. Onnasch Galerie [u.a.], 1974.
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