Single item from poet Iain Sinclair showing the back cover illustration for his Saddling the Rabbit, Etruscan, 2002.

Single mimeographed letter from Leni Sinclair (Magdalene Sinclair) informing multiple recipients that John Sinclair, of the Detroit Artists' Workshop Press, has been jailed for possession.

Correspondence from poet Ken Singleton.

Correspondence from Dave Sissons, editor if Inky.

Correspondence from US poet Edmund Skellings.

Correspondence from Derek Slade. In separate folder.

Single letter from Baron Peter Slade, dramatherapist.

Correspondence from poet Ken Smith, editor of Northern House, and Stand.

Single letter from poet Stephanie Smolinsky.

Correspondence from Raymond Souster (also known as John Holmes, and Raymond Holmes) of Contact Press, editor of Combustion. One letter addressed to Gael Turnbull regarding Roy Fisher's poems for publication in Combustion.

Correspondence from poet John Stathatos, editor of Oxus Press.

Correspondence from producer Colin Still, founder of Optic Nerve.

Correspondence from poet and publishing editor of Five Seasons Press, Glenn Storhaug.

Correspondence from author Geoffrey SummeRoy Fisherield. One letter is undated, but most likely after April 1987.

Single letter from poet and artist Alaric Sumner, editor of words worth.

Correspondence from poet Jenny Swann, editor of Candlestick Press.

Single brief note from arts administrator, Pat Swell.

Single letter from Swedish writer Anthony Swerling.

Correspondence from Graham Sykes, editor of Kudos Magazine.