| A history of Castle Caldwell and its families | Cunningham, John B. 1944- | Monograph or Collective Volume | Watergate press | 1980 |
| Caldwell estate | Ireland, Aideen M. | Article in Journal | | 1989 |
| Castle Caldwell, County Fermanagh | Cunningham, John B. 1944- | Monograph or Collective Volume | St Davog's Press | 1993 |
| Land and life on a Fermanagh estate : Castle Caldwell, Co. Fermanagh | Busteed, Mervyn A. | Article in Journal | | 2007 |
| Lough Derg and its unusual 'guardian' Rev. Alexander Calhoun, grandfather of John Caldwell Calhoun, vice-president of the U.S.A. | Cunningham, John B. 1944-,Whalley, M. A. | Article in Journal | | 1981 |
| The artistic and cultural activities of the Caldwells of Castle Caldwell, 1750-1783 | Barnard, T. C. (Toby Christopher) | Article in Journal | | 2007 |
| The Caldwells of Castlecaldwell | Cunningham, John B. 1944- | Article in Journal | | 1978 |
| The Caldwells of Coleraine, Co. Londonderry, Ireland and Baxters Harbour, Kings County, Nova Scotia | Robson, Edward S. | Article in Journal | | 1989 |
| The Caldwells of Quebec | Cunningham, John B. 1944- | Article in Journal | | 1994 |
| The role of the Caldwell family in the Williamite defence of the Erne and Donegal, 1689-90 | Cunningham, John B. 1944- | Article in Journal | | 1978 |