| Another deade of centenaries, 1913-23: The Biddulphs, the Great War and the decline of the big house in King's County/Offaly | Byrne, Michael | Article in Journal | | 2016 |
| Middleton Westenra Biddulph, 1849–1926 | Byrne, Michael | Monograph or Collective Volume | | 2023 |
| Rathrobin and the two Irelands | Byrne, Michael | Monograph or Collective Volume | Esker Press (Offaly Historical and Archaeological Society) | 2021 |
| Rathrobin and the two Irelands : the photographs of Middleton Biddulph, 1900–1920 | Byrne, Michael | Monograph or Collective Volume | Esker Press | 2021 |