| Mapping Meath in the early nineteenth century : with an atlas of William Larkin's Map of County Meath, 1812 | Horner, Arnold | Monograph or Collective Volume | Wordwell in association with Meath County Council Library Service | 2007 |
| Mapping Offaly in the early nineteenth century : with an atlas of William Larkin's map of King's County, 1809 | Horner, Arnold | Monograph or Collective Volume | Wordwell in association with Offaly Historical and Archaeological Society and Offaly County Council | 2006 |
| Mapping Sligo in the early nineteenth century, with an atlas of William Larkin's map of County Sligo, 1819 | Horner, Arnold | Monograph or Collective Volume | Wordwell | 2011 |
| Road-making and mapping in early nineteenth-century Cavan - the role of William Larkin | Horner, Arnold | Article in Book | | 2014 |
| William Larkin and the mapping of Kerry roads 200 years ago | Horner, Arnold | Article in Journal | | 2012 |