The archive comprises mainly correspondence addressed to Sir Walter and his first wife Pauline Lady Trevelyan nee Paulina Jermyn. The letters reflect the couple's interests in natural history, botany, geology, antiquities, travel, temperance, phrenology, art and literature, and include examples from many well known contemporaries.

There is also material relating to the history of the Trevelyan family, accumulated during Walter and Charles Edward Trevelyan's preparation of 'The Trevelyan Papers' for publication.

The archive also features diaries and journals, sketchbooks, notes for speeches and scrapbooks. There is material relating to the North East of England, including proposed railways, Tyne crossings at Hexham and decoration of the Great Hall at Wallington.

Administration, correspondence, research and campaign materials produced by the Tyneside Campaign for Homosexual Equality, and associated material relating to lesbian and gay politics from the 1970s to the 1990s, including newspaper cuttings, campaign material, leaflets, and magazines and journals.Administration, correspondence, research and campaign materials produced by the Tyneside Campaign for Homosexual Equality, and associated material relating to lesbian and gay politics from the 1970s to the 1990s, including newspaper cuttings, campaign material, leaflets, and magazines and journals.

The White Collection, named after Robert White (1802-1874) was presented to King's College (now Newcastle University) by his great nephew George White Pickering. It is a rich source of literature as well as being strong in ecclesiastical and local history such as James Raine's writings on local history and antiquities.

There are works by John Dryden, William Hazlitt, Thomas Hood, James Thomson, Robert Burns, Mark Akenside, Thomas Chatterton, John Gay, H.W. Longfellow, Matthew Prior, John Keats, John Milton, James Hogg, John Clare, Edgar Allan Poe, George Herbert, William Cowper, Thomas Gray and the poems of Ossian as well as several works by S.T. Coleridge, including Aids to reflection (1848), Biographia literaria (1817), Confessions of an inquiring spirit (1849) and The friend (1850). Alongside the work of these distinguished authors sit English and Scottish ballads, garlands and chapbooks including some which were printed in Newcastle.

34 items. Includes letters from contemporaries of Williams, including letters sent in support of job applications. Also includes a number of photographs of Williams throughout her life, objects connected to the suffrage movement, and selected information about Williams collected after her death.