辟Chronology

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46050058060067080011001200179018001880 520–579620–669690–799840–10991210–17891810–1879

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No year recorded 12

+6

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 ↗