談Chronology

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7408001110122015901680170018001900 750–799840–11091150–12191230–15891600–1679

1

1

1

1

1

2

1

1

4

16 +10

10 +4

1

1

1

3

2

3

24 +18

4

4

2

3

4

2

2

4

8 +2

No year recorded 340

+334

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 ↗