誦Chronology

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500580600700810960110014101680170018001930 510–579750–809840–959980–10991150–14091420–16791840–1929

1

1

12 +6

1

8 +2

1

1

1

1

1

2

1

1

3

1

3

2

1

1

1

2

1

1

2

2

No year recorded 24

+18

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 ↗