Gerard Bruinsma,Westerbork

14/05/1977 20/05/1977 10/06/1977 25/06/1977 29/06/1977 22/07/1977 30/07/1977 24/08/1977 25/08/1977 26/08/1977 07/09/1977 16/09/1977 20/09/1977 29/04/1978