姉Chronology

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5105807108509009701110123015401600177018001930 520–579590–709720–849910–969980–11091160–12291290–15391700–17691840–1929

1

1

1

1

1

1

1

2

1

1

1

1

1

1

1

2

15 +9

1

4

6

2

1

9 +3

1

No year recorded 109

+103

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 ↗