The microlight flyers handbook, 2008: t.p. (Guy Gratton) back Cover (Dr. Guy Gratton, Cranfield University)

Planet Earth online, 28 Dec. 2011: Blogs & opinion page (Dr Guy Gratton, Head of the Facility for Airborne Atmospheric Measurements (FAAM))

National centre for Atmospheric Science WW Site, 28 Dec. 2011: people page (Dr Guy Gratton, Head of FAAM, Cranfield University ; G. B. Gratton)

A theoretical and experimental appraisal of airworthiness evaluation techniques for small light aeroplanes, 2005: t.p. (Guy Brian Gratton)