敬Chronology

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500580600700800900960100011001200141015401600170018001930 520–579750–799910–9591010–10991290–14091420–15391880–1929

1

2

1

10 +4

1

6

1

1

1

1

4

3

1

2

1

1

1

1

1

1

4

2

1

2

2

1

1

1

1

1

1

1

2

1

5

1

3

9 +3

6

3

3

1

8 +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 ↗