File primarily contains letters from individuals, but also includes copy letters of Edith Simon. Identified correspondents include Earl Dawyck Haig; possibly Hanne Schorp-Pflumm; possibly Igna Beth Heiden; Dr. Alistair King; Leonardo M. Mayer (also known as 'Len'); possibly 'April' Taylor, The College of Ripon & York, St. John; Celia Wagner; Blanche Marvin, Blanche Marvin Agency; possibly Mary Somerville; 'Rosemary'; Elizabeth Bird, David Higham Associates Ltd.; Jenni Aspin; Susan Kaufman; possibly 'Jean'; Antonia Reeve; possibly 'Beth'; Reverend Fergus A. Smith, The Chaplaincy Centre, University of Edinburgh; Mrs. Anne Elliot, The British Council; John Thomson, Department of Urban Design and Regional Planning, University of Edinburgh; possibly 'John'; Robert Garioch; Dr. P.C. Pietroni; 'Peter'; possibly 'Ailie'; possibly Peter Day; Vera Mayer; J.R. Brown, Secretary, Edinburgh College of Art; British Broadcasting Corporation (BBC); David Higham; Reverend Hamish Smith, The Chaplaincy Centre, University of Edinburgh; Miss E.M. Douglas, Edinburgh University Students' Association; possibly Peter West, Amnesty International, British Section; and Eric Reeve.

File also includes two letters from Antonia Reeve to Jessica Reeve; and one to Eric Reeve; a copy of a memorandum of agreement between Edith Simon and Greenwood Press for the reprint of The Making of Frederick the Great (September 1976); a possible shooting script for a film project; a promotional flyer for the exhibition 'Edith Simon-Creations & Recreations' (September 1976); manuscript notes by Edith Simon entitled 'Space Problem, 10/9/76'; a brief typescript biography of Simon; and a programme of events for the Instituto Anglo-Mexicano de Cultura, Mexico (October 1976).