封Chronology

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6107408309001000111015401660170018001900 620–739750–829840–899910–9991010–11091200–15391600–1659

1

1

2

1

1

2

1

1

1

1

1

1

1

4

1

5

172 +166

1

2

2

2

2

1

2

4

3

1

18 +12

12 +6

12 +6

1

3

4

No year recorded 90

+84

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 ↗