嘆Chronology

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4605005806007408509001110122012801540160017901800 520–579670–739750–849910–11091160–12191230–12791290–15391670–1789

1

1

1

2

5

1

1

1

2

2

1

1

1

1

1

1

1

1

2

2

1

3

1

1

No year recorded 19

+13

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 ↗