Spies, Werner, 1937- (Personal Name)

Pour Daniel-Henry Kahnweiler, 1965.

Werner Spies' Wikipedia page, viewed May 22, 2013 (Werner Spies; born April 1, 1937 in Tübingen; German art historian, journalist and exhibition curator; from 1997 to 2000 director of the Centre Georges Pompidou in Paris)