Sijtze Kroodsma,Dokkum

30/04/1969 18/06/1969 26/06/1969 28/06/1969 05/07/1969 30/07/1969 16/08/1969 23/08/1969 11/04/1970 06/06/1970 13/06/1970 27/06/1970 15/08/1970 12/09/1970 17/09/1970 19/09/1970