Item 2 - Correspondence, between Queen Mary (of Teck) and Susan Buchan

Mary of Teck (Victoria Mary Augusta Louise Olga Pauline Claudine Agnes) was Queen consort of the United Kingdom and the British Dominions and Empress consort of India as the wife of King George V.
Although technically a princess of Teck, in the Kingdom of Württemberg, she was born and raised in the United Kingdom. Her parents were Francis, Duke of Teck, who was of German extraction, and Princess Mary Adelaide of Cambridge, who was a granddaughter of King George III. She was informally known as "May", after her birth month.
At the age of 24, she was betrothed to her second cousin once removed Prince Albert Victor, Duke of Clarence and Avondale, the eldest son of the Prince of Wales, but six weeks after the announcement of the engagement, he died unexpectedly during an influenza pandemic. The following year, she became engaged to Albert Victor's only surviving brother, George, who subsequently became king. Before her husband's accession, she was successively Duchess of York, Duchess of Cornwall, and Princess of Wales.
As queen consort from 1910, she supported her husband through the First World War, his ill health, and major political changes arising from the aftermath of the war. After George's death in 1936, she became queen mother when her eldest son, Edward VIII, ascended the throne, but to her dismay, he abdicated later the same year in order to marry twice-divorced American socialite Wallis Simpson. She supported her second son, George VI, until his death in 1952. She died the following year, during the reign of her granddaughter Elizabeth II, who had not yet been crowned.

Susan Charlotte Buchan, Baroness Tweedsmuir (née Grosvenor; 20 April 1882 – 21 March 1977) was a British writer and the wife of author John Buchan. Between 1935 and 1940 she was viceregal consort of Canada while her husband was the governor general. She was also the author of several novels, children's books, and biographies, some of which were published under the name Susan Tweedsmuir.
Susan was a daughter of Norman de L'Aigle Grosvenor (son of the first Lord Ebury) and his wife Caroline Susan Theodora Stuart-Wortley (a granddaughter of the first Lord Wharncliffe), and a cousin of the Dukes of Westminster. She married John Buchan on 15 July 1907, and became the Baroness Tweedsmuir (known as Lady Tweedsmuir) when he was created Baron Tweedsmuir in 1935. The Buchans had four children, Alice, John, William, and Alastair, two of whom would spend most of their lives in Canada.
Her time as Vicereine of Canada is remembered for her energetic relief work. Her library project of gathering books in Eastern Canada for impoverished western communities and sending train carloads of them west was the foundation for many public libraries across the prairies.
Her interest in literary education influenced the establishment of the Governor General's Awards, for many years Canada's primary literary awards, and the library at Rideau Hall. Following her husband's death she returned to Britain, where she wrote several more novels, a series of memoirs, and a biography of her husband.
She died at Burford, near Oxford, in 1977 and was buried beside her husband in the churchyard at Elsfield.