Letters from Oundle School. Includes a picture postcard school photograph, accounts of lessons and sports, Geoffrey's health, letters and picture postcards from a trip to Geneva.
Includes letters from the school nurse on Geoffrey's health.

Letters from Oundle School and Trinity College Cambridge. Includes family news, accounts of sports and lessons, a proposition to go to the University recruiting board regarding his future and Charles' draft response.

Includes news of life at St Albans, news of family and friends, discussion of World War II, his work designing aircraft and comments on a speech by George Macaulay Trevelyan.

Includes family news, life at St Albans, Geoffrey's job working for de Havilland and arrangements for visits.

Includes news of life at St Albans, family news, and an account of a visit to Par in Cornwall.

Includes picture postcards of Skogafoss in Iceland and the White House, news of life at St Albans, Geoffrey's work for de Havilland, family news and accounts of a trip to America.

Mostly letters from Geoffrey to Charles and Mary discussing family and professional matters and current events.
Includes reference to the transfer of the estate to the National Trust, details of Florence Patricia Trevelyan's living arrangements, and an order of service for Geoffrey and Gillian's wedding, with manuscript notes for Charles' speech.

Letters from Sidcot school, some of which are illustrated, poetry and sports.
Also includes letters from Pauline and Katharine [Kitty] Trevelyan, while at Sidcot.

Includes details of classes at Abinger, visits to Fritton, plans for a trip to France with Mary, family news, furniture making and visits to Robert Calverley Trevelyan at the Shiffolds.

Includes descriptions of travel in the United Kingdom, France, Baghdad, Switzerland, Italy, India, and Yugoslavia, letters from Trinity College, Cambridge, George's diary kept at Trinity, politics, sketches and discussion of Katharine [Kitty] Trevelyan's education.
Also includes letters from Gertrude Bell and various people regarding George and his travels, including Herbert and Beatrice Samuel.