Volume 3 opens with interior and exterior pictures of the Cambo house and garden, Rapture the dog and Ni the cat, tree-felling, a shooting party, a flyer for a speech by Charles on the Taxation of Land Values, Lanercost, and portrait and landscape images of Naworth Castle. Other features are a kitten's diary (1905), Falcombe (1905), a copy of an Agenda for the Women's Liberal Federation Annual Council Meeting of May 1905, Stocks cottage, Robin Ghyll, family pet portraits, and baby Pauline with Nurse Robinson and Hugh Bell dated 11th October 1905. The volume closes with pencil sketches of Mary and Charles dated 1904.

This volume opens with an advert from the London Gazette of 1908 announcing that 'the KING' has appointed Charles Philips Trevelyan, ESQ., M.P., to be one of the Charity Commissioners for England and Wales. There are images from Easter 1906 at Lake Como, and later, pictures of Pauline and Katharine [Kitty] as babies.
Volume 5 also features correspondence relating to the Women's Liberal Federation and press articles with headlines such as 'Misguided Suffragettes' and 'Conviction of Women Suffragettes'. There are pictures of Rounton Grange, Gouliot Caves in Sark and Easter at Welcombe in 1907. A few pages are dedicated to the Marriage of Elsa Bell and Herbert Richmond in 1907.

This album opens with pictures of Charles at Harrow and Cambridge, followed by landscape images from 1899 during a snowy December.
There are photographs by George Bernard Shaw at Blencathra. Other location shots include The Hague, Scheveringen, Manchester and Moretonhampstead, Sidmouth, East Quantoxhead, and Lindisfarne. The King's funeral procession to St. George's Chapel, Windsor, is covered in an attached Manchester Guardian press cutting of 1910. A full page article of June 1910 shows Roosevelt who 'spent the weekend at Stratford-on-Avon as the guest of Sir George Trevelyan'.

Album covers the outbreak of the First World War, the birth of Mary and Charles' twins, Florence Patricia and Hugh Patrick Trevelyan. Photographs show the Trevelyan family with the Richmonds and Bells, and with friends at the hunt, and girl guides events. Also included are pictures of childrens' parties and exterior and interior photographs of Cambo House. There are profile silhouettes of the family and examples of embroidered war art.

This album includes the final years of the First World War, and Charles' subsequent standing for election as an independent candidate for Elland. It includes family photographs, images of scout and guide camps, summer schools for the Union of Democratic Control, war ephemera, newspaper cuttings of current events and election material.

This album includes family portraits and gatherings, letters from the British Red Cross to Mary, Christmas at Rounton, May Day Celebrations (both 1920 and 1921), pictures of baby Geoffrey Washington Trevelyan, newspaper cuttings with portraits of Gertrude Bell, Hugh Bell and Lady Bell, and the appearance of Gertrude Bell in another press cutting from 1921 'Mr. Churchill's Conference at Cairo'. The volume ends with a large press cutting from The Times, October 6th 1921, entitled "King Feisal's Accession".

Photographs from Charles' journey to North America, including visits to New York, Washington, Chicago, Leech Lake, Denver, Salt Lake City and San Francisco. There are photographs from a journey along the Mississippi River, camping in Yellowstone Park and his voyage to the United States on the S.S. Teutonic.
Letters relating to Charles' visit to North America and the Pacific can be found in this collection at CPT/1/7/3, CPT/1/7/5, CPT/1/8/2 and CPT/1/8/3. Further content can be found in the scrapbook located at CPT/1/2/1/1.

Photographs from Charles' travels to New Zealand and Australia, including visits to Auckland, Wellington, Sydney, Brisbane, Jimbour, Melbourne and Adelaide, as well as images from his journey home on board R.M.S. Ormuz. The final photograph is of Wallington, dated 1899.
Letters relating to Charles' visit to North America and the Pacific can be found in this collection at CPT/1/7/3, CPT/1/7/5, CPT/1/8/2 and CPT/1/8/3. Further content can be found in the scrapbook located at CPT/1/2/1/1.

The album contains photographs of the walls of Rome by J. H. Parker. It contains Thomas Hodgkin's bookplate. See also items A3 and A11.

Photographs of Charles' visit to the Pacific Islands, with images of Honolulu, O'ahu and Samoa. Includes photographs from Charles' voyage on the S.S. Coptic, a visit to Robert Louis Stevenson's house and meeting Princess Ka'iulani of Hawaii.
Letters relating to Charles' visit to North America and the Pacific can be found in this collection at CPT/1/7/3, CPT/1/7/5, CPT/1/8/2 and CPT/1/8/3. Further content can be found in the scrapbook located at CPT/1/2/1/1.