佐Chronology

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900970100011101190120015401600170018001900 910–9691010–11091140–11891290–1539

1

1

1

1

1

1

1

2

1

3

1

2

15 +9

2

2

3

8 +2

1

5

2

9 +3

2

7 +1

6

3

3

22 +16

6

14 +8

No year recorded 468

+462

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 ↗