竝Chronology

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510580600700800900100010801100120015401650177018001940 520–579620–699750–799840–899910–9991010–10791230–15391550–16491700–17691880–1939

1

1

1

1

1

1

2

2

1

1

1

1

1

1

2

2

1

1

1

1

1

13 +7

7 +1

2

3

6

2

3

9 +3

1

2

5

7 +1

No year recorded 36

+30

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 ↗