腐Chronology

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740970100011001640170018001900 750–9691010–10991160–1639

1

1

1

1

1

1

1

2

3

4

1

4

1

43 +37

8 +2

12 +6

5

1

25 +19

3

9 +3

3

12 +6

11 +5

1

1

No year recorded 92

+86

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 ↗