啓Chronology

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5807408001100123015901600172018301900 590–739750–799840–10991160–12291290–15891670–17191780–1829

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1

1

1

1

1

1

1

1

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1

8 +2

2

1

2

5

No year recorded 95

+89

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 ↗