found: Kodansha encyc. of Japan.
found: Lippincott(Kyushu, island; variants: Kiushiu, Kyusyu)
found: Frank Yorichika, Asian Section, Subject Cat.(Japanese speakers do not refer to this as an island, but use the term for region which includes the island and associated small islands; he would not want to establish a separate term for the island as distinct from the region)
found: Isamu Tsuchitani, Japanese Language Section, Shared Cat.(Japanese speakers and reference sources do not use the term island and use the term region when refering to Kyushu)
found: GeoNames [algorithmically matched]island; 33°00ʹ00ʺN 131°00ʹ00ʺE