Johan Engwerda,Bolsward
31/07/1957
04/08/1957
20/09/1957
21/09/1957
25/05/1958
31/05/1958
11/07/1958
28/07/1958
23/08/1958
27/08/1958
31/08/1958
13/09/1958
12/10/1958
29/07/1961
09/09/1961
12/07/1962
25/05/1963
15/06/1963
26/06/1963
06/07/1963
30/11/1963