訓Chronology

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6107108301000110016901700178018001900 620–709750–829840–9991010–10991160–16891730–1779

1

1

1

2

1

1

1

1

1

1

1

10 +4

5

6

4

1

5

3

1

2

1

3

2

2

No year recorded 83

+77

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 ↗