宣Chronology

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500580600700800100011001200159016501700178018001900 520–579860–9991010–10991230–15891600–16491730–1779

1

1

1

20 +14

1

7 +1

1

1

1

1

3

1

1

2

2

1

2

2

2

1

3

8 +2

6

16 +10

2

1

2

1

2

1

1

6

4

1

No year recorded 276

+270

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 ↗