- The parliamentary history of the Irish land question from 1829 to 1869 (1880)
- Fifty years of concessions to Ireland : 1831-1881 (1883) in 2 vols.
- The best hundred Irish books
- Irish Wrongs and English Remedies (1887)
- Thomas Drummond, Under-secretary in Ireland, 1835-40 (1889)
- The Life of Charles Stewart Parnell, 1846-1891 (1898) in 2 vols.
- The life of Lord Russell of Killowen (1901)
- A hundred years of Irish history ()
- Irish memories (1904)
- John Bright: A Monograph (1911)
- Dublin castle and the Irish people (1912)
Works about O'Brien Edit
Some or all works by this author were published before January 1, 1928, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
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