Kita Ezo Zusetsu; dictated by Mamiya Rinzo (1775-1844). 4 vols; published in Tokyo; 1855.

Commissioned by the Shogunte government (Bakufu); Mamiya Rinzo traveled to northern Sakhalin and established as a fact; for the first time in history; that Sakhalin was an island; not a part of the Asian continent.

He produced valuable maps and geographic; topographic and climatic information of Sakhalin as well descriptions of the daily lives of the Sakhalin Ainu; Oroks; Nivkhs (also known as Gilyaks) ; including their economic activities; customs; and the individuals. Pictures From History