補Chronology

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61068070080011001200141016101680170018001900 620–679750–799860–10991230–14091420–16091620–1679

1

1

2

1

1

1

1

2

1

2

1

1

1

1

1

1

1

1

1

1

9 +3

2

16 +10

3

6

11 +5

5

1

1

2

3

5

1

3

No year recorded 108

+102

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 ↗