"Similar claims to the effect that all works of art are multiple, at least in principle and qua objects of appreciation, were subsequently made by Ushenko (1953, 21–25), Peter Strawson (1959, 231, n. 1; 1974, 183), Jeanne Wacker (1960), Anthony Savile (1971), Eddie Zemach (1966, 1986), and Currie (1989)."
-Stanford on the history of ontology of art, Strawson on the reading list