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).

The collection consists of three handwritten letters to Arthur St. John Adcock concerning her reviews of various books. Also included is a letter to Mrs. Smith.

The collection consists of a handwritten letter to Sydney Cockerell. A transcription provided by Anthony Rota is also included.

The collection consists of a handwritten letter to an unnamed customer in which she states "I have just posted to you Katherine Tynan's poems". She also encloses two book-markers "painted by the girls. My sister teaches them painting & drawing".

The collection consists of a photocopy of a handwritten letter to Marion Petter, together with negatives taken of the letter and envelope.

The collection consists of a handwritten letter by Yeats to A. J. Leventhal, together with its envelope and a handwritten letter to an unidentified businessman, possibly a book seller; a hand coloured card from the Cuala Press (no.148) of "The Lake Isle of Innisfree"; typescript of "The World of W.B. Yeats: Essays in Perspective" edited by Skelton and Saddlemyer (incomplete set), together with a pre-publication copy of the book.