笛Chronology

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50067080011101590165018001900 510–669680–799810–11091160–15891600–16491700–1799

1

1

1

1

1

1

2

6

1

7 +1

1

1

3

1

2

No year recorded 54

+48

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 ↗