1922
1922
41-45
41
42
43
44
45
4?
46-49
46
47
48
49
4?
50-59
50
51
52
53
54
55
56
57
58
59
5?
60-69
60
61
62
63
64
66
67
68
69
6?
70-79
70
71
72
73
74
75
78
7?
80-85
80
81
82
83
84
85
8?
1986
1986
Jan Nieuwenhuys
1960
1961
1962
1963
1964
1966
1967
1968
1969
196?