疑Chronology

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5006107008009009601000108011001200141015401600177018001900 520–609750–799910–9591010–10791290–14091420–15391700–1769

1

2

8 +2

1

4

1

1

1

3

1

2

3

1

2

1

2

1

2

1

2

1

3

1

1

2

1

1

2

2

1

1

2

3

7 +1

2

13 +7

4

8 +2

3

2

3

3

2

3

6

4

2

1

3

No year recorded 81

+75

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 ↗