懷Chronology

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46058060067070080090010001100120014101540160017701800 470–579620–669750–799910–9991010–10991290–14091420–15391690–1769

1

1

6

2

1

1

1

2

1

1

1

1

1

2

1

3

5

2

1

1

1

1

2

1

1

2

15 +9

1

2

6

1

1

4

No year recorded 107

+101

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 ↗