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BIBLIOGRAPHY

Japanese Wikipedia, "Sumitomo zaibatsu," "Mitsui family," "Tōshō-gū Goikun."

Wikipedia (according to the sources of each article)

Claims Supported by This Source

  1. The origins of Sumitomo lie in copper refining and the Besshi copper mine.
  2. The Mitsui, originally the Echigoya, also operated as money changers and became the official money exchangers for the shogunate in 1690 ("Mitsui family").
  3. "A person's life is like carrying a heavy burden..." is considered apocryphal ("Tōshō-gū Goikun").

How to read the verification levels. 'Read' means the material was read in its entirety. 'Bibliography and abstract confirmed' means the bibliographic information and abstract were verified. 'Via course material' means the source was referenced through the main text of a book or a country's monetary history. The text hash is the SHA-256 of the main text from the original source page, excluding tags and whitespace, used to detect if the material has been altered.