衞Chronology

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58060070080090096010001120141015401600176018001930 620–699750–799840–899910–9591010–11191200–14091420–15391700–17591880–1929

1

3

1

4

1

1

2

1

1

1

1

1

2

1

2

1

1

1

4

10 +4

2

1

114 +108

7 +1

1

9 +3

26 +20

16 +10

162 +156

13 +7

9 +3

3

1

1

5

No year recorded 959

+953

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 ↗