序Chronology

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610740830900110015401600170018001900 620–739750–829840–899910–10991160–1539

1

1

1

1

1

1

1

1

1

1

1

1

3

1

1

1

17 +11

3

5

3

3

6

11 +5

3

1

8 +2

15 +9

2

4

3

3

5

6

No year recorded 56

+50

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 ↗