互Chronology

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50058071081010001100141016801700180018701900 510–579590–709720–809860–9991010–10991160–14091420–16791810–1869

1

1

1

1

2

1

2

3

1

1

2

2

1

13 +7

1

1

11 +5

5

3

1

2

1

2

No year recorded 78

+72

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 ↗