- 1"Genetically Modified Crops" (MS/2175/1/09)
2006-12, file - 2Correspondence from Joe Perry to Rothamstead colleagues regarding data entry summary of position (MS/2144/02/07)
6th August 2001, item - 3"Genetically modified crops" draft of report and Correspondence between the author and Burke (BURK/06/03/13)
17th April 2001, item
