Georges Seurat – Study for „A Sunday on La Grande Jatte“ – The Metropolitan Museum of Art https://www.metmuseum.org/collection/the-collection-online/search/437658
The artist’s brother-in-law, Léon Appert, Paris (in 1892); Félix Fénéon, Paris (by 1904–at least 1909); [Stephan Bourgeois, New York, by 1916–at least 1918]; Adolph Lewisohn, New York (1919–d
Georges Seurat: Wesen, Werk, Wirkung. Dresden, 1988, p. 216, colorpl. 54.