改Chronology

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5806007408309001000108011001200154016001700178018001900 620–739750–829840–899910–9991010–10791290–15391720–1779

2

1

1

2

1

1

1

1

2

1

3

1

1

1

1

1

1

1

1

3

11 +5

1

2

8 +2

9 +3

3

17 +11

3

4

2

1

5

4

6

26 +20

25 +19

17 +11

7 +1

No year recorded 126

+120

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 ↗