| "Our dead Chief": The Irish press and the death of Parnell | de Nie | Article in Journal | | 2019 |
| Government policy and the Irish party crisis, 1890-2 | Curtis, L. Perry, jr. | Article in Journal | | 1963 |
| Select documents XXI. Joseph Chamberlain, W. H. O'Shea and Parnell, 1884, 1891-2 | | Article in Journal | | 1962 |
| The Captain and the Fenians: William Henry O'Shea and the IRB | Dungan, Myles | Article in Journal | | 2009 |
| The captain and the king: William O'Shea, Parnell and late Victorian Ireland | Dungan, Myles | Monograph or Collective Volume | New Island | 2009 |
| The love story of Parnell and Katherine O'Shea | Brady, Margaret | Monograph or Collective Volume | Mercier Press | 1991 |