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.

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.

The album is annotated as a gift to Charles from Mary.
Includes group photographs of Charles and Mary's children and grandchildren, with their spouses.

Photographs of the Trevelyan children in posed groups.

Photographs of family groups, mostly the Trevelyan children with their Richmond cousins. Includes photographs taken at Rounton Grange with their grandparents Hugh and Florence Bell.

Photographs of the Trevelyan children, with their Bell and Richmond cousins and other family members, at the Wallington Estate, Rounton and on holidays.
Annotations suggest the album was compiled by Pauline Dower nee Trevelyan.