伊Chronology

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6107408009001110123015401600170018001900 670–739750–799840–899910–11091160–12291290–1539

1

1

1

1

1

1

1

1

1

1

1

1

1

8 +2

2

114 +108

2

4

3

28 +22

16 +10

1

1

1

2

8 +2

1

8 +2

16 +10

9 +3

3

5

3

12 +6

15 +9

2

3

2

4

11 +5

No year recorded 391

+385

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 ↗