閉Chronology

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580600740830970100011001200141015901600170018001940 620–739750–829840–9691010–10991290–14091420–15891880–1939

2

2

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

7 +1

1

2

7 +1

2

3

8 +2

1

1

2

2

No year recorded 10

+4

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 ↗