This file includes 44 personal letters between J.C. Le Souëf and his wife Mary Le Souëf from 1940 to 1959; 18 letters from J.C. Le Souëf to Mary; and 26 letters from Mary to J.C. Le Souëf.

This file contains approximately 220 personal letters from A.S. Le Souëf to his nephew J.C. Le Souëf including the copies of letters that J.C. Le Souëf sent to A.S. Le Souëf. Other correspondents (40) including letters to A.S. Le Souëf from Eric Backhouse, Edward (nephew), Horace Le Souëf, Una Le Souëf, Mildred Manning, Nancy Le Souëf, Hope Meluish, Lance Le Souëf, A.J. Nicholson (CSIRO) and D. Rivett (CSIRO).

Papers written by A.S. Le Souëf which include: "The Effect of Modern Conditions on Modern Masonry", 19 September 1950; "The Effect of Unorthodox Potentials on Our Future Outlook", August 1949; "The Australian Fauna Today", 6 March 1948; "How Miracles Happen", 27 September 1946; "The Age We Live In", 11 October 1946; "Where Life Comes From", November 1946; "A Talk by the Lady Lecture" 21 February 1944; "The Bible in the Light of Science", 12 April 1943; "A Note on Evolution", 23 December 1942; "Prophesy Concerning The Immediate Future", November 1943; "Psychic Phenomena in Every Day Life", May 1944; "The Framework of Our Evolution", May 1948; "The Extent to Which Inherited Instincts Affect Our Free Will", September 1941; and "The War Position According to Prophecy", July 1944.

Also five black and white photographs taken of mice, rats, mouse nest in grass, and possibly the Le Souëfs at Royal Park.

This file contains 47 personal letters to A.S. Le Souëf from members of his family including E.A. Le Souëf, Una Caroline Falkiner, Eva and Mildred Manning; copies of letters sent by A.S. Le Souëf to the above correpondents.

This file contains approximately 95 personal letters, cards and telegrams to J.C. Le Souëf from his brother Albert Wadeson and sisters Aline and Rita; copies of letters sent by J.C. Le Souëf to his siblings; copies of W.H.D. Le Souëf's "Collection of Curios"; W.A. Peterson's "The 21st Century"; and page 3 of The Herald, 11 April 1960, are also included.

This file contains approximately 180 personal letters from Edith Evelyn Le Souëf (J.C. Le Souëf's mother) to J.C. Le Souëf, his wife Mary and son Nicolas from 1946 to 1954. Also contains a few letter to J.C. Le Souëf from his sister Rita. Included are two small black and white photographs, people are not identified (possibly members of Le Souëf Family).

This file contains personal correspondence from W.H.D. Le Souëf to May, Cecil and his sister; letter to W.H.D. from George Baillie; program for the Ladies Benevolent Society Grand Concert; illustration of landscape; program for Church of England Grammar School Concert;
family negatives.

This file contains approximately 150 personal letters, greeting cards, postcards and telegrams from Horace Le Souëf (brother to J.C. Le Souëf) to J.C. Le Souëf and Mary. Also contains copies and rough drafts of letters sent from J.C. Le Souëf to Horace Le Souëf. Other letters include those sent from Horace Le Souëf to his mother Edith Evelyn Le Souëf. Also consists of 1 black and white mounted photograph of Horace Le Souëf and his first wife Helen Doreen Keasley (died 1953), 1944.

This file contains 33 personal letters to Mary [Clarke] from J.C. Le Souëf, 30 June 1938 to 27 June 1940; 2 personal letters to Mary Le Souëf from J.C. Le Souëf June 1943; 7 telegrams to the Le Souëfs congratulating them on the birth of Nicolas (Nick) Le Souëf, 1943.

This file contains 33 personal letters from Mary Le Souëf to J.C. Le Souëf; 13 personal letters from J.C. Le Souëf to Mary Le Souëf. Also includes a small black and white photograph possibly of J.C. Le Souëf; a personal letter to May addressed Royal Park 1895 from her sister Edith Le Souëf; and a list of village guest houses in Greece from the National Tourist Organisation.

This file contains 45 personal letters from Mary Le Souëf to J.C. Le Souëf; 5 personal letters from J.C. Le Souëf to Mary. Also includes letter to J.C. Le Souëf from Mr Hutt of the Coca Cola Company regarding work in Sydney; a letter to Nick Le Souëf from his grandmother; a locket of hair, blonde, possibly Mary's; newspaper clipping titled `Churchill clapped Coward's Song' from The Sunday Sun and Guardian, July 25, 1943; a telegram from Lucy Stoner regarding the death of Aunt Mary, 1963; a telegram to Mary and J.C. Le Souëf regarding the birth of Nicolas; 2 Annual Bonus Certificates from the Prudential Assurance Company Ltd belonging to Mary; and 19 ticket numbers for movie photographs or moving pictures within an Harringtons envelope.

This file consists of 35 personal letters to Mary Le Souëf from J.C. Le Souëf, June to July 1943; 10 personal letters from Mary Le Souëf to J.C. Le Souëf 1939 to 1943; 23 letters and cards to J.C. Le Souëf and Mary congratulating them on the birth of their son Nicolas Le Souëf, 1943.

This file includes 52 personal letters between Mary Le Souëf and J.C. Le Souëf from March 1938 to October 1943; 27 letters from J.C. Le Souëf to Mary; and 29 letters from Mary Le Souëf to J.C. Le Souëf. This file also contains a telegram congratulating J.C and Mary Le Souëf on the birth of their son Nicolas, 1943; and a personal letter to J.C. Le Souëf from A.S. Le Souëf, May 1941.