| A liberal landlord and the national school system | Doyle, Joe | Article in Journal | | 2006 |
| A most distressing Breach of Promise case | Boland, Tim | Article in Journal | | 2017 |
| A Short Account of St. Bartholomew's Church Dublin with lists of subscribers towards the building, organ, &c: and an address on free parish churches | Dawson, Arthur A. | Monograph or Collective Volume | E. Ponsonby | 1871 |
| An account of the Antiseptic Vaults beneath S. Michan's Church, Dublin | Vicars, Arthur | Monograph or Collective Volume | E. Ponsonby | 1888 |
| Bishopscourt and it owners | Ponsonby, Gerald | Article in Journal | | 1917 |
| Diary of a tour through Donegal 1837 | Ponsonby, E.Ponsonby, F. | Article in Journal | | 1973 |
| Duncannon : reformer and reconciler, 1781-1847 | Howell-Thomas, Dorothy | Monograph or Collective Volume | Michael Russell | 1992 |
| Frederick, 3rd Earl of Bessborough, collector and artist (1758-1844) | Finnegan, Rachel | Article in Journal | | 2015 |
| Garryhill. The Garryhill Bessborough Estate 1739-1950. The Garryhill Cottage Industry 1879-1917 | Kavanagh, Myles | Article in Journal | | 2020 |
| George Gaven and the portraits of speaker John Ponsonby | Wynne, Michael | Article in Journal | | 1976 |
| Ghosting the Llangollen Ladies : Female intimacies, ascendancy exiles and the Anglo-Irish novel | Crowell, Ellen | Article in Journal | | 2004 |
| Ladies of Llangollen Pottery | Curry, Kevin | Article in Journal | | 2015 |
| Next year's Irish ministry | Anonymous | Monograph or Collective Volume | Ponsonby and Gibbs | 1913 |
| Proportional representation in Ireland | Meredith, James Creed | Monograph or Collective Volume | Ponsonby | 1913 |
| Records of eighteenth-century domestic architecture and decoration in Dublin [5 vols] | | Monograph or Collective Volume | Printed for the Society at the Dublin University Press by Ponsonby & Gibbs | 1909-1913 |
| Replacing a county Kilkenny estate's agent in 1877 | Law, Edward J. | Article in Journal | | 2012 |
| Scottish and Irish diaries : from the sixteenth century to the nineteenth century | Ponsonby, Arthur Augustus William Harry, 1st Baron Ponsonby | Monograph or Collective Volume | Methuen | 1927 |
| St. Patrick's Cathedral kalendar of anniversaries | Bernard, J.H. | Monograph or Collective Volume | Ponsonby & Gibbs | 1904 |
| Succession in the House of Ormonde from the late nineteenth century | Ponsonby, Charles | Article in Journal | | 2016 |
| The army crisis and home rule | Ponsonby, Arthur Augustus William Harry, 1st Baron Ponsonby | Article in Journal | | 1914 |
| The classical taste of William Ponsonby. 2nd earl of Bessborough (1704-1793) | Finnegan, Rachel | Article in Journal | | 2005 |
| The diocesan history of Killaloe, Kilfenora, Clonfert and Kilmacduagh [AD 639-AD 1886] | Cooke, Edward Alexander | Monograph or Collective Volume | Ponsonby and Weldrick | 1886 |
| The form and manner of making a dean and other forms used in the Cathedral and Collegiate Church of St. Patrick, Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | Ponsonby & Gibbs at the University Press | 1912 |
| The history of Doctor Steevens' Hospital, Dublin, 1720-1920 | Kirkpatrick, Thomas Percy Claude, 1869-1954 | Monograph or Collective Volume | University College Dublin Press | 2008 |
| The history of Dr Steevens' Hospital, 1720-1920 | Kirkpatrick, Thomas Percy Claude, 1869-1954 | Monograph or Collective Volume | Ponsonby & Gibbs | 1924 |
| The history of William Ponsonby, 2nd earl of Bessborough, 1704-93 | Finnegan, Rachel | Article in Journal | | 2006 |
| The Irish House of Commons' rejection of the "Privy Council" money bill in 1769 : a reassessment | Bartlett, Thomas | Article in Journal | | 1979 |
| The Irish ladies of Llangollen : 'the two most celebrated virgins in Europe | Coyle, Eugene | Article in Journal | | 2015 |
| The landed families of Ballybrown | Potter, Matthew | Article in Journal | | 2018 |
| The papers of Lord Robert Loftus | Ainsworth, John F. | Article in Journal | | 1960 |
| The Ponsonby/ Briscoe Mausoleum in Fiddown | O'Donnell, Michael | Article in Journal | | 1987 |
| The Woodstock Bessborough connection | Kirwan, John | Article in Journal | | 1984 |
| Two Ponsonby letters | Ireland, Aideen M. | Article in Journal | | 1993 |
| When Ireland first beat the English at cricket | Harding, Tim | Article in Journal | | 2011 |