This collection documents the life and career of Irish-American poet, writer, and musician Terence Winch, through correspondence, manuscript and typescript drafts, handmade books, audio and video recordings, flyers, posters, clippings, and photographs. Topics include the poetry scenes of Washington, DC and New York City towards the end of the 20th century; modern Irish-American literature and history; and Irish-American music.

Notable correspondents include the actress Karen Allen, poets Tim Dlugos, Michael Lally, Ray DiPalma, Ted Greenwald, James Liddy, Eileen Myles, and Seamus Heaney, musician Charlie Piggott, and politician Margaret Heckler. There is substantial material related to Winch's band Celtic Thunder, his work at the Smithsonian, and his dissertation on the writer Edward Lewis Wallant.