霜Chronology

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61083090011001540160017001800 620–829840–899910–10991200–1539

1

1

1

1

1

1

1

1

1

3

2

4

1

1

14 +8

6

6

1

1

2

9 +3

3

4

4

6

10 +4

1

No year recorded 66

+60

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 ↗