A nice exhibition catalog, downloadable, from 1959. "In March 1959 Lillian Oppenhimer travelled to Japan to meet Akira Yoshizawa and later in the year she helped to organise "Plane Geometry and Fancy Figures", an exhibition of artistic and geometrical paperfolding at the Cooper Union Museum at New York. Legman sent his collection to New York and Yoshizawa's creations were once more displayed to an enthusiastic public in one of the great cities of the Western world."