Colum, P., & Nic Shiubhlaigh, M. (1950). Letter from Pádraic Colum to Máire Nic Shiubhlaigh re foreword he wrote for her book The Splendid Years and the difficulty of finding an American publisher for it because of Peter Kavanagh's "monumental history", i.e. The Story of the Abbey Theatre.

Colum, Padraic, and Máire Nic Shiubhlaigh. Letter from Pádraic Colum to Máire Nic Shiubhlaigh Re Foreword He Wrote for Her Book The Splendid Years and the Difficulty of Finding an American Publisher for It Because of Peter Kavanagh's "Monumental History", I.e. The Story of the Abbey Theatre. 1950.