窮Chronology

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5005806006707008009001000108011001200141015901600170018001940 520–579620–669750–799910–9991010–10791290–14091420–15891890–1939

1

2

1

4

4

1

2

1

1

3

2

1

1

1

1

2

2

3

2

1

1

1

1

1

1

1

1

3

1

6

3

6

4

2

1

1

2

1

1

No year recorded 56

+50

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 ↗