Foreword postscript (2011) - Ivor Ambrose (author), JFM Molenbroek (author), J. F.M. Molenbroek (author), Johan Molenbroek (author), Johan M.F. Molenbroek (author), J.F.M. Molenbroek (author), Johan F.M. Molenbroek (author), Johan F. M. Molenbroek (author), John Mantas (author), R de Bruin (author), R. de Bruin (author)