Keywords: Gunsho Chiyo2.jpg Book of politics ã Heian period 11th century ink on colored paper vol 26 27 0cm x 1522 3cm Tokyo National MuseumTokyo National Museum Tokyo http //www tnm jp/uploads/r_collection/LL_C0017663 jpg century 11 author PD-Art cc-by-sa-3 0 GFDL National Treasures of Japan writings Japanese calligraphy in the Heian period |