First accession contains correspondence, drafts of speeches and writings, journals, scrapbooks, photographs, clippings and family papers.
Second accession contains 56 boxes and items. The documents consist of personal and business correspondence, articles and addresses, banking and legal documents, estate information, biography information, and other items. The correspondence relates to art and the National Gallery, De Grassi Point, geology, Japanese consul, The Champlain Society, the National Battlefields Commission, the Royal Colonial Institute, the Round Table, University College Alumnae Association Building Committee. There is a significant amount of correspondence from the Canadian Bank of Commerce, the University of Toronto, and the Royal Ontario Museum, and with many prominent individuals in Canada and worldwide as well as letters to Mary before and after they married and messages of condolence received by the family after the death of Sir Edmund Walker. Other documents in the collection relate to the Alexander, Buchan, and Morrow families; the Coronation of King George V and other special events; the Duke of Sutherland's Scheme (Imperial Colonization Corporation of Canada); the West Virginia Debt Settlement; and C. White Mortimer. The items are books, a lace handkerchief, a wooden drawer containing numerous calling cards, card index of pictures and art objects, a framed drawing of the coat of arms, Sir Edmund Walker's certificates and medal upon being admitted as a Knight of the Order of the Hospital of St. John of Jerusalem, pieces of the fireplace from Long Garth, a silver vase, a silver bowl, a china plate with Walker crest and logo, and a fishing rod and net.