渡Chronology

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50067073090011201220128015401600170018001900 510–669680–729740–899910–11191160–12191230–12791290–1539

1

1

1

1

1

1

4

1

1

1

1

1

7 +1

1

6

2

84 +78

20 +14

2

35 +29

1

1

4

5

3

51 +45

9 +3

30 +24

6

19 +13

7 +1

16 +10

8 +2

12 +6

19 +13

3

5

2

5

11 +5

3

No year recorded 472

+466

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 ↗