The fonds consists of records relating to Saddlemyer's research on "Letters to Molly: John Millington Synge to Maire O'Neill" (1971), "Lady Gregory: Collected Plays" (1971), "Anglo-Irish Writers, 1911-1969", and the W.B. Yeats Symposium. The fonds include typescripts, galley and page proofs, correspondence, and a complete set of the typescripts of essays presented at the Yeats Symposium.
The fonds consists of: research notes; correspondence; census material; manuscript photocopies, transcriptions and proofs produced in the production of The Winding Stair (1929): Manuscript materials for The Cornell Yeats (1995) published by Cornell University Press. In addition to material on Yeat's The Winding Stair (1929), the research includes related material from The Winding Stair and Other Poems (1933) and Words for Music Perhaps. Also included is a set of corrected page proofs for Druid Craft (1971).
The fonds consists of a handwritten letter from Thea Rabe-Staadt to Young requesting permission to translate his "Letters From Solitude" into German; a handwritten letter and a typewritten letter from Young to Mr. Cazenove (literary agent); a typed letter from The Literary Agency of London (Cazenove) to Rabe-Staadt re Filson Young; a handwritten letter from Rabe-Staadt to C.F Cazenove (reply - in German).