逆Chronology

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5005806007108009601100120014101590160017001800 520–579620–709720–799860–959980–10991290–14091420–1589

1

1

2

3

1

3

3

1

1

1

1

1

2

2

1

1

1

1

1

2

1

1

4

1

1

2

2

3

10 +4

1

7 +1

2

8 +2

1

1

12 +6

3

1

No year recorded 39

+33

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 ↗