A family exhibit for the benefit of the National Urban League : April 6th through 25th, 1959 : selected oils, water colors, and drawings from the collections of Mr. and Mrs. Jean Mauzé, Mr. and Mrs. John D. Rockefeller, 3rd, Governor and Mrs. Nelson A. Rockefeller, Mr. and Mrs. Laurance S. Rockefeller, Mr. and Mrs. Winthrop Rockefeller, Mr. and Mrs. David Rockefeller : Knoedler Galleries, 14 East...