Gerrit Vierstra,Franeker

28/04/1957 05/05/1957 19/05/1957 25/05/1957 02/06/1957 02/06/1957 21/07/1957 28/07/1957 28/07/1957 08/09/1957 28/09/1957 26/01/1958 25/05/1958 31/05/1958 15/06/1958 11/07/1958 28/07/1958 23/08/1958 05/04/1959 03/05/1959 10/05/1959 24/05/1959 07/06/1959 25/06/1959 10/07/1959 30/08/1959 01/05/1960 05/05/1960 28/05/1960 06/08/1960 24/06/1961 28/06/1961 06/07/1961 09/06/1962