鐵Chronology

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5005806707008009001100154016601940 510–579590–669720–799810–899910–10991200–15391550–16591670–1939

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1

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1

1

1

1

1

1

1

1

6

No year recorded 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 ↗