鳥Chronology

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500580600670730800900100011201230141015401600170018001900 520–579620–669680–729750–799910–9991010–11191160–12291290–14091420–1539

1

1

2

2

1

3

1

3

2

1

1

1

5

1

6

1

1

1

1

32 +26

1

80 +74

57 +51

31 +25

2

60 +54

12 +6

11 +5

1

28 +22

23 +17

111 +105

6

3

4

8 +2

5

18 +12

4

13 +7

1

2

3

1

1

No year recorded 312

+306

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 ↗