| A guide to the stained glass of Christ Church Cathedral, Dublin | Whiteside, Lesley | Monograph or Collective Volume | Christ Church Cathedral | 2010 |
| A history of the King's Hospital | Whiteside, Lesley | Monograph or Collective Volume | King's Hospital | 1985 |
| A History of the King's Hospital | Whiteside, Lesley | Monograph or Collective Volume | King's Hospital | 1975 |
| A Westmeath family at the Western Front : the Purdons of Lisnabin | Whiteside, Lesley | Article in Journal | | 2017 |
| Church of Ireland parish and people in Westmeath, 1897-1996 | Whiteside, Lesley | Article in Book | Geography Publications | 2022 |
| Documents and sources. Coddington MS 8: Memoir of Caroline Coddington (1815-1884) | Whiteside, Lesley | Article in Journal | | 2017 |
| Documents and sources. The diary of John Pratt, of Agher, County Meath, Esq. (1721-1761) | Whiteside, Lesley | Article in Journal | | 2019 |
| Farming and society since 1700 in the barony of Carbury, Co. Kildare | Whiteside, Lesley | Monograph or Collective Volume | Four Courts Press | 2024 |
| Music in the King's hospital, 1675-2003 | Whiteside, Lesley | Monograph or Collective Volume | King's Hospital | 2003 |
| St. Saviour's Church Arklow | Whiteside, Lesley | Monograph or Collective Volume | St. Saviour's Arklow | 1997 |
| The chapel of Trinity College Dublin | Whiteside, Lesley | Monograph or Collective Volume | Chapel Committee, Trinity College dublin | 1998 |
| Where Swift and Berkeley learnt : a history of Kilkenny College | Whiteside, AndrewWhiteside, Lesley, | Monograph or Collective Volume | Columba | 2009 |