活Chronology

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50061071080097010001120123015901600175018001900 520–609620–709720–799810–9691010–11191160–12291290–15891700–1749

1

1

2

1

1

1

1

2

2

1

1

2

1

1

1

3

2

1

7 +1

6

4

1

1

3

4

6

1

7 +1

11 +5

1

No year recorded 72

+66

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 ↗