祥Chronology

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580600810100011001410168017601800 620–809840–9991010–10991150–14091420–16791690–1759

1

1

1

2

1

1

2

1

1

6

1

9 +3

1

5

4

1

1

No year recorded 23

+17

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 ↗