関Chronology

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6107408001000111015901680177018001930 620–739750–799840–9991010–11091200–15891600–16791700–17691880–1929

1

1

1

2

2

1

1

2

2

3

22 +16

5

10 +4

2

12 +6

2

1

21 +15

1

4

1

No year recorded 288

+282

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 ↗