負Chronology

‹ ›

6107308309701100120014101590160017001800 620–729750–829840–969980–10991290–14091420–1589

2

1

1

2

1

1

1

3

1

1

1

1

9 +3

2

2

12 +6

1

1

2

1

8 +2

1

6

2

1

5

No year recorded 101

+95

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 ↗