節Chronology

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5006107308309009601000110015901600170018001900 520–609620–729750–829910–9591010–10991200–1589

1

1

2

2

1

3

1

1

1

1

2

1

1

1

1

1

1

4

9 +3

5

1

47 +41

30 +24

1

2

1

4

3

16 +10

30 +24

15 +9

10 +4

15 +9

4

54 +48

5

38 +32

3

2

1

1

No year recorded 383

+377

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 ↗