幷Chronology

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5806007008009001000110012001540160018101930 750–799810–899910–9991010–10991290–15391670–18091820–1929

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3

1

3

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1

3

1

1

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3

1

1

1

1

1

1

2

7 +1

1

No year recorded 9

+3

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 ↗