脊Chronology

‹ ›

8301110168017701800 860–11091160–16791690–1769

1

1

1

1

1

1

1

9 +3

2

No year recorded 5

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 ↗