| A history of the Garda Síochána : a social history of the force 1922-52, with an overview of the years 1952-97 | McNiffe, Liam | Monograph or Collective Volume | Wolfhound | 1997 |
| A history of Williamstown, Kells | McNiffe, Liam | Monograph or Collective Volume | The author | 2003 |
| A short history of Rossclogher Barony 1840-60 | McNiffe, Liam | Article in Journal | | 1983 |
| The 1852 Leitrim election | McNiffe, Liam | Article in Journal | | 1978 |
| The Garda Síochána: a social and administrative history, 1922-52 | McNiffe, Liam | Thesis | | 1994 |
| The Leitrim election of 1852 | McNiffe, Liam | Article in Book | | 2019 |
| The origins of the Garda Síochána : some Meath connections | McNiffe, Liam | Article in Journal | | 1996 |
| The politicisation of Leitrim, Sligo and Mayo in the general election of 1852 | McNiffe, Liam | Article in Journal | | 1982 |
| The politicisation of Leitrim, Sligo, and Mayo in the general election of 1852 | McNiffe, Liam Mary | Thesis | | 1979 |