豈Chronology

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510580600700800900108011001220141015401600176018001940 520–579750–799840–899910–10791160–12191290–14091420–15391670–17591890–1939

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1

2

1

2

1

1

1

2

1

1

3

1

1

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3

2

1

1

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1

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4

2

1

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2

1

No year recorded 38

+32

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 ↗