O'Brien, P. J., & O'Brien, W. (1961). Typescript letter from P. J. O'Brien, secretary of the I.T. & G.W.U. Cork branch, to William O'Brien informing him he has made tentative arrangements with Seamus Murphy to work on a bust of O'Brien and also mentioning Murphy would need five or six sittings to complete the sculpture.

O'Brien, P. J., and William O'Brien. Typescript Letter from P. J. O'Brien, Secretary of the I.T. & G.W.U. Cork Branch, to William O'Brien Informing Him He Has Made Tentative Arrangements with Seamus Murphy to Work on a Bust of O'Brien and Also Mentioning Murphy Would Need Five or Six Sittings to Complete the Sculpture. 1961.