1. There are two villages in the northern part of Honshu whereko zoshinanoki (Tilia Japonica Simk.)clothes are produced
2. TheNihon Kokr(complied in 792–833 by Fujiwara Fuyutugu and Fujiwara Otugu, published by Kokushitaikei Kankokai as Volume 3 ofKokushitaikerin 1934, p23) states that someone drifted to Japan in a boat from a south Asian island in the seventh month of 799 with some cotton seeds, and began cultivating cotton the following year
3. 1984.Koza Nihon Gijutsu no Shakaishi, Vol 3, 31Tokyo: Boshoku.
4. Getsugin, Saito. 1803–1878.Buko Nenpyo., 223Tokyo: Kokusho- Kankokai. 1922