In The Boating Party, how is the Provenance discussed?
1918 Durand-Ruel, New York
October 1, 1929 sold to  Chester Dale.
1963 National Gallery of Art.colorplate 75 35 7/16x46 1/8 in. (90 x117 cm) The Chester Dale Collection.
National Gallery of Art Chester Dale Durand-Ruel