裏Chronology

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6107309001100123015401600170018001900 620–729740–899910–10991160–12291290–1539

6

1

1

1

1

1

1

2

1

1

6

1

1

2

19 +13

3

1

1

7 +1

1

12 +6

1

1

2

10 +4

8 +2

4

1

1

1

No year recorded 125

+119

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 ↗