惑Chronology

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610670700800900100011101200141015401600177018001930 620–669720–799910–9991010–11091230–14091420–15391700–17691870–1929

2

1

1

4

2

1

2

2

1

1

1

3

2

1

1

1

1

1

1

1

2

13 +7

9 +3

11 +5

3

2

2

1

2

6

1

1

2

No year recorded 57

+51

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 ↗