1. The NFU as a pressure group;Allen;Contemporary Review,1959
2. The Agriculture of Wales and Monmoutbsbire;Ashby,1944
3. British agricultural policy since the Second World War;Bowers;Agricultural History Review,1985
4. Liberal government and techniques of the self;Burchell;Economy and Society,1993
5. Some elements of a sociology of translation;Callon,1986