Consists of correspondence with Brian Redhead, Anthony Tucker, and John Course of The Guardian, Regarding the various pieces that Sid wrote for The Guardian including his column series Northern Accent.

Annotated typescripts and handwritten notes for chapters 1-3. Annotations consist of changes and corrections in blue ink and pencil. With letter from Joe Watson from the National Spastics Society.

Consists of material relating to the writing and publication of novel The Day of the Sardine, and it's translation into French, Russian, and Czechoslovakian. The UK version was published by Eyre & Spottiswoode, London 1961, re-printed by Eyre Methuen, London in 1973, by Amethyst, Leeds in 1983 and Scorpion, London in 1989. Published in Russia c. 1961, France c.1961, and Czechozslovakia c.1968

Consists of material relating to the writing, production, and promotion of play The Day of the Sardine, based on Sid Chaplin's novel of the same title. Sid collaborated on the writing with David Illingworth. The play premiered at the Forum Theatre, Billingham on 3rd October 1973.

Consists of pp.313 - 336.

Consists of material relating to the writing and publication of novel The Big Room. Published by Eyre and Spottiswoode, London in 1960.

Consist of material relating to the writing, production, and promotion of the play The Big Room, with original working title of The Shooting Box. This was the dramatisation by Jeremy Kingston of the novel The Big Room. The play premiered in the Forum Thetare Billingahm on 13 Oct 1969.

Consists of material relating to the writing and publication of the collection of short stories The Bachelor Uncle and Other Stories. Published by Mid Northumberland Arts Group, Ashington/ Carcanet Press, Manchester in 1980

Annotated typescript. Annotations consist of print copy corrections in blue ink. With newspaper articles and typed and handwritten notes.