Folders 28-37 contain fliers, press releases, brochures, and other materials in English, Japanese, and Russian. The materials in Folder 2:28 are undated; those in Folder 2:29 are from 1968-1969; those in Folder 2:30 are from 1974-1976; those in Folder 2:31-2:32 are from 1986; those in Folder 2:33 are from 1987-1989; those in Folder 2:34 are from 1990-1995; and those in Folder 2:35 are from 2000.