Letters, 1929-1947, mainly to Mrs Eva Mary Bell, relating chiefly to her book, The Hamwood Papers (London, 1930), with copy and draft letters from her, and miscellaneous family letters; together with a typescript synopsis of the book, a typescript radio script on the Ladies of Llangollen, and related notes.

Papers and memorabilia documenting the career of Sir Harry Secombe CBE, the entertainer, comedian, singer, star of film, radio, television and theatre, also a writer and broadcaster. This collection was compiled by Harry himself, together with his wife Myra and their children. The papers include scripts from stage, radio and television shows such as "The Goon Show", "Pickwick" (1963 and 1993), "Harry Secombe Show", "Secombe and Friends", "Sunday Night at the London Palladium", etc.. Book manuscripts including "Twice Brightly" (1974), "Goon Abroad" (1982), "Arias and Raspberries" (1989), and "Strawberries and Cheam" (1998). Many anecdotes and speech notes; magazine articles in draft and published; programmes and posters (many signed); letters, personalia, honours, awards ephemera, charity work, funeral and memorial service. Harry was well known for his humorous cartoons and caricatures which feature throughout the collection.
The large collection of personal and publicity photographs, including "Pickwick" productions, "Oliver!", together with stars of theatre, television, friends, and Royalty have been transferred to NLW photographic collections.
Three paintings have been transferred to NLW framed works.

Four typescript radio scripts, 1953-1960, by Margiad Evans or based on her work, comprising 'The Silver Lining', broadcast 1953; 'December Day', broadcast 1956; 'Dear Desdemona', [1950s], based on the letters of Lord Byron, apparently not broadcast; and a dramatisation of her novel, 'Country Dance', broadcast 1960.

Deunydd yn ymwneud â gwaith Menna Elfyn o fewn cyfryngau'r teledu a'r radio, gan gynnwys dramâu, rhaglenni dogfen, sgyrsiau a chyfweliadau.