EZO FŪZOKU ISAN by Tomozuka Takamasa. 1882. 10 vols in Series I, 10 vols in Series II. On the basis of the documents presented by Matsuura Takeshirō to the government in 1869 and many other records, 83 of them altogether, these 20 volumes were compiled. The description is classified into various categories, including: origin, race, history, language, clothing, food and beverage, medicine, manners, rituals, celebrations, mortuary rites, law, payment, housing, trading, fishing and hunting, arts and crafts, play, industry, machinery and external relations.