For instance Tatsuo KUMOI, who was a disciple of Sokken YASUI and a feudal retainer of the Yonezawa clan bought "Bankoku Koho" in Yokohama, then Kaishu KATSU lent it to Shungaku MATSUDAIRA.
たとえば安井息軒門下の米沢藩士雲井龍雄が横浜で購入し、勝海舟が松平春嶽に貸し出している。