燃Chronology

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500580660700900123015901600177018001870 510–579590–659710–899910–12291290–15891700–17691810–1869

1

1

1

1

1

1

1

1

1

1

5

1

1

1

1

No year recorded 13

+7

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 ↗