Relates to Charles' campaign for re-election as Independent Labour Party MP for Newcastle upon Tyne, which was unsuccessful.
Includes letters of condolence on his loss of the seat, handbills and leaflets and manuscript notes for speeches.
Correspondents include Anne Barlow, Harrison Barrow, Edith Bulmer, Noel Buxton, F Seymour Cocks, Geoffrey Peto, Anna M Philips, Herbert Richmond, Arthur Shepherd, Sophie Sturge, Elizabeth Trevelyan, George Macaulay Trevelyan, Pauline Trevelyan, J C Wedgwood and Charles Wilson.

Relates to Charles' successful campaign to be re-elected as Labour Member of Parliament for Newcastle upon Tyne.
Includes handbills and leaflets such as A letter to the new Women Electors of Central Newcastle and A Call to the Workers , Baldwin's appeal to the voters, election cards, typescript and manuscript speech notes, newspaper cuttings, correspondence regarding his campaigning and of congratulations on his success.
Also includes the annual report of the Medical Officer of Health for the City and County of Newcastle-upon-Tyne on the Sanitary Condition of the City during 1927.

Includes Charles' answers to questionnaires from local and national organisations regarding his political stance on various matters, newspaper cuttings, printed handbills, timetables of appearances, posters, manuscript speech notes and general ephemera.
Also includes printed ephemera relating to M Philips Price's unsuccesful campaign to become Labour Member of Parliament for the Gloucester constituency.

Printed handbills and other ephemera from Charles' unsuccesful campaign to become Independent Labour Party Member of Parliament for Elland, with letters relating to Charles' position.
Correspondents include Will Arnold-Forster, John Bell, Lady Kate Courtney, T H Garside, E H Haywood, Edward Keith, Mina Longbourne, W C Percival, Arthur Ponsonby and Caroline Trevelyan.
Also includes a letter to Mary from Charles enclosing Charles' 'first election address', written as a child (circa 1880).

Mostly comprises of letters and telegrams of congratulations on Charles' re-election as Liberal Member of Parliament for the Elland Constituency.
Also includes a draft letter to electors and two 'special election editions' of the Brighouse and Elland News (numbers 1 and 2). One includes song lyrics entitled Put a Million on Trevelyan .

Typescript transcripts of speeches about Sir Walter Riddell and E Frank Wise.
A file of documents relating to the death of Frank Wise is available in this collection at CPT/1/8/12.

Typescript copies of letters to Charles and Mary describing George's travels.
Includes letters from Cairo, Jerusalem, Jericho, Haifa, Beyrout, Ba'albek, Damascus, Baghdad, Mosul, Iraq, Bombay, Delhi, Kanpur, Lucknow, Varanasi, Kolkatta, Rohtas and Darjeeling.
Includes visits with Gertrude Bell and the Richmond family.

Typescript copies of letters to Charles and Mary describing George's travels.
Includes letters from Kolkatta, Rangoon, Madras, Trincomali, Kandy and Ceylon.
Includes his thoughts on the British occupation of India and visits with the Richmond family.

Includes copies of a pamphlet entitled Simple Sequels to Serious Scenes which gives comic outcomes to events in history, a transcript of a radio programme on David Lloyd George in which Charles took part, a statement on Charles' religious beliefs with particular reference to the afterlife, an obituary for Edward Keith (head gardener at Wallington), and a selection of poems, songs and other writings including some written for his children, and a poem on tourism in Russia.