箭Chronology

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50067070080090011001230154016001700179018001900 510–669720–799820–899910–10991160–12291290–15391730–1789

1

2

1

2

1

1

3

1

1

1

1

1

1

1

1

3

1

2

10 +4

2

2

9 +3

3

1

2

2

1

No year recorded 44

+38

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 ↗