Contents of Ferguson-Smith's envelope so inscribed: "1959-1960 Correspondence between Glasgow and Baltimore, with Professor Daniel Fowler Cappell and Dr Bernard Lennox, including accounts of my activities in the USA during my Fellowship, discussions about postponing my return to Glasgow until a lectureship in Medical Genetics could be arranged". Envelope further inscribed, "Also including correspondence with Dr Tom N Fraser, Dr James Harrison Renwick and Dr John S S Stewart (and including letter from my father, with advice)".
Also includes correspondence between Dr James Harrison Renwick and his wife Lena, and Ferguson-Smith and his wife Marie, and correspondence with the Western Regional Hospital Board about his fellowship at John Hopkins University.