The papers held at Churchill Archives Centre include Lascelles' diaries; Royal correspondence; correspondence and papers concerning Edward, Prince of Wales [later Edward VIII]; correspondence with colleagues and family concerning members of the Royal family or Royal duties; correspondence during and concerning the First World War; correspondence from India while serving as Aide-de-Camp to George Lloyd; family correspondence; personal correspondence with friends and colleagues; miscellaneous correspondence on historical and literary subjects; honours and awards and genealogical papers; literary papers; press cuttings; photographs; and maps of France and Belgium from the First World War.
With some earlier family papers, 1846-1920.
Also with papers about the publication of Alan Lascelles' diaries, 1986-9.