| Four years of Irish history, 1840-1850 | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1883 |
| My life in two hemispheres | Duffy, Charles Gavan, SirWhyte, John | Monograph or Collective Volume | Irish University Press | 1969 |
| My life in two hemispheres. 2 vols. | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1898 |
| The ballad poetry of Ireland. | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1845 |
| The League of North and South : an episode in Irish history, 1850-1854 | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1886 |
| The patriot parliament of 1689, with its statutes, roles and proceedings | Davis, Thomas OsborneDuffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1893 |
| Thomas Davis | Clifford, BrendanDuffy, Charles Gavan, Sir | Monograph or Collective Volume | Aubane Historical Society | 2000 |
| Thomas Davis, the memoirs of an Irish patriot, 1840-1846 | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1890 |
| Young Ireland : a fragment of Irish history | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1880 |
| Young Ireland. A fragment of Irish history, 1840-45. 2 vols. Final revision | Duffy, Charles Gavan, Sir | Monograph or Collective Volume | | 1896 |