略Chronology

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6107008001000108011001200141015901600170018001900 750–799860–9991010–10791230–14091420–1589

3

1

1

1

1

1

1

1

1

2

1

2

1

1

3

1

1

1

1

3

1

1

6

1

1

7 +1

18 +12

1

4

10 +4

2

5

6

9 +3

6

1

2

3

21 +15

No year recorded 235

+229

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 ↗