凡Chronology

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50058067070080090096010001100122015401600170018001900 520–579590–669750–799910–9591010–10991160–12191290–1539

1

2

1

3

1

1

1

1

2

1

1

2

1

2

2

1

2

2

3

4

2

3

1

2

5

1

1

2

1

8 +2

5

5

35 +29

20 +14

2

8 +2

3

10 +4

12 +6

4

10 +4

57 +51

3

2

5

2

2

2

No year recorded 148

+142

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 ↗