Mapa publicado en History National Geographic Magazine Issue 5 .
En el artículo "Death Before Dishonor"
" Japan’s samurai were an entire social class devoted to the art of war. When the two great samurai clans clashed in the 12th century, their ferocious power struggle spawned
epic tales of courage and tragedy driven by an uncompromising code of honor. In the samurai wars there could be no surrender.." The map was done by Fernando J Sánchez Menendez.