夏Chronology

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6107108309009701000110015401600170018001940 620–709750–829840–899910–9691010–10991200–15391890–1939

1

1

1

1

1

1

1

2

1

1

1

3

1

1

4

6

9 +3

2

2

27 +21

4

38 +32

2

5

8 +2

7 +1

28 +22

40 +34

6

8 +2

14 +8

3

15 +9

5

20 +14

13 +7

4

No year recorded 203

+197

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 ↗