當Chronology

‹ ›

46050058060070080090096010001100120014101540160018101940 520–579910–9591010–10991290–14091420–15391680–18091820–1939

1

1

2

2

50 +44

2

29 +23

2

1

2

2

5

1

1

6

1

3

1

1

1

1

2

5

2

3

2

3

2

1

2

2

1

1

1

1

1

1

2

19 +13

13 +7

2

No year recorded 63

+57

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 ↗