揚Chronology

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51067074080011001200141015901670170018001900 520–669680–739860–10991210–14091420–15891600–1669

1

1

1

1

1

2

1

1

2

2

3

1

1

1

1

2

3

31 +25

3

7 +1

2

8 +2

9 +3

5

13 +7

2

4

1

2

1

1

1

3

No year recorded 93

+87

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 ↗