招Chronology

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61070083011101200141015901600170018001900 620–699740–829840–11091290–14091420–1589

1

1

1

2

1

1

1

2

1

1

1

2

2

2

6

1

3

1

2

5

2

7 +1

1

1

1

1

3

2

No year recorded 49

+43

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 ↗