統Chronology

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5806007408001000114014101690170018001940 620–739750–799840–9991010–11391200–14091420–16891880–1939

1

1

1

1

1

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1

1

1

1

1

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5

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2

1

1

2

1

1

No year recorded 33

+27

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 ↗