琴Chronology

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500610110015901680178018001930 510–609620–10991160–15891600–16791700–17791850–1929

1

1

1

2

1

1

2

1

12 +6

2

1

6

1

1

1

1

No year recorded 62

+56

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 ↗