惜Chronology

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4605006707008001110141015901650177018001900 520–669720–799840–11091200–14091420–15891600–16491700–1769

1

1

1

1

1

2

1

1

1

1

1

1

1

4

2

54 +48

7 +1

4

1

8 +2

5

4

1

6

2

1

1

4

No year recorded 53

+47

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 ↗