詳Chronology

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500610670700830100011001220172018001900 510–609620–669750–829860–9991010–10991160–12191230–1719

1

1

5

1

1

1

1

1

1

1

2

1

1

7 +1

8 +2

1

4

3

1

4

1

3

2

1

8 +2

4

1

1

No year recorded 42

+36

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 ↗