似Chronology

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500580600710800900970100010801100120015401600170018001900 520–579620–709750–799910–9691010–10791290–1539

1

1

1

1

1

2

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

16 +10

1

3

1

2

18 +12

6

5

6

2

15 +9

24 +18

15 +9

4

20 +14

4

5

3

2

5

No year recorded 192

+186

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 ↗