圭Chronology

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8301110168017701840 840–11091160–16791690–17691780–1839

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1

2

1

1

1

No year recorded 6

Each crop stands at the decade of the first year its book's date gives; a date given only as before a year stands at that year. Dates come from the catalogues and editions cited with each record. The bars draw the whole span and their counts to scale; in the strip below them, fifty years or more with no crop are folded and marked. Japanese dates converted with HuTime ↗