源Chronology

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5808301100123015901600170018001900 590–829840–10991150–12291290–1589

1

1

1

1

2

1

1

6

1

1

6

1

19 +13

1

1

8 +2

2

1

3

1

6

31 +25

14 +8

6

14 +8

5

5

10 +4

36 +30

1

5

5

4

8 +2

14 +8

No year recorded 282

+276

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 ↗