- A Letter from an Irish emigrant [T.L.Birch]
- Argentina - Murphy
- Argentina - Pettit
- Authentic Letters from Upper Canada [Rev. Thomas Radcliff]
- Carlow-Coogan Letters
- Dear Uncle. Immigrant Letters to Antrim from the USA (1843-1852) [R.H. Roy]
- Historical Society of Pennsylvania Letters
- Irish Emigration and Canadian Settlement [C.J. Houston & W.J. Smyth]
- Irish Emigration Database
- Irish Immigrants in the Land of Canaan. Letters and memoirs from colonial and revolutionary America (1675-1815) [K.A. Miller et al.]
- John Forsythe Letters
- Letterbook of Greg & Cunningham, 1756-1757 [T. Truxes]
- MacArthur Letters
- New Brunswick Letters
- Oceans of Consolation [D. Fitzpatrick]
- Patrick McMahon Glynn: Letters to his family (1874-1927) [Gerald Glynn O'Collins]
- Revisiting Our Forest Home, The immigrant letters of Frances Stewart [J. L. Aoki]
- The Earth between them: Joseph Beale's letters home to Ireland from Victoria (1852-1853) [E.Beale]
- The McIlrath Letters: A family history in letters from New Zealand to Ireland (1860-1915) [Bassett, McKee et al.]
- The Prendergast Letters. Correspondence from Famine-era Ireland (1840-50) [S. Barber]
- The Reynolds Letters. An Irish Emigrant Family in Late Victorian Manchester [L.W. McBride]
- The Transatlantic Letters of an Irish Quaker Family_1818-1877 [B. Jackson]
- Ulster Migration to America. Letters from three Irish Families [R.A. Wells]
- Your Fondest Annie: Letters from Annie O'Donnel to James P.Phelan [A. O'Donnell]