刀Chronology

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46050058060083097011001230141015901600170018001900 510–579670–829860–969980–10991160–12291290–14091420–1589

1

1

2

3

1

1

1

1

2

1

1

1

1

1

1

11 +5

1

2

1

1

59 +53

7 +1

4

7 +1

2

17 +11

5

18 +12

7 +1

2

10 +4

5

3

10 +4

2

2

1

7 +1

6

2

No year recorded 264

+258

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 ↗