掃Chronology

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6107309009701100141015401660177018001900 620–729750–899910–969980–10991160–14091420–15391550–16591690–1769

1

1

1

1

1

1

1

1

1

1

1

1

1

1

7 +1

2

24 +18

1

1

6

5

1

1

1

2

No year recorded 51

+45

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 ↗