| An assessment of the economic impact of the National Lottery 1987-2001. Prepared for An Post National Lottery Company [by] DKM Economic Consultants | Anonymous | Monograph or Collective Volume | DKM Economic Consultants | 2001 |
| An Post's reward notice collection | Ferguson, Stephen | Article in Book | National Print Museum | 2008 |
| At the heart of events : Dublin's General Post Office | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2007 |
| Bessbrook to Ballinadee - A Postal Tour of Ireland | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2022 |
| Celebrating Ireland’s T.T. winners 1907-1995. Motor Cycle Union of Ireland Southern Centre in association with An Post and Isle of Man Philatelic Bureaux | Anonymous | Monograph or Collective Volume | Motor Cycle Union of Ireland Southern Centre | 1996 |
| Dreamy idealists or a progressive people : 100 years of Irish stamps | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2022 |
| Early Ireland : culture and treasures, | Ryan, Michael | Monograph or Collective Volume | An Post | 1991 |
| European postcolonial studies and Ireland : towards a conversation amongst the colonized of Europe | Laird, Heather | Article in Journal | | 2014 |
| European postcoloniality : The Saorstát Éireann / Irish Free State Official Handbook, 1932 | Harrison, William M. | Article in Journal | | 1995 |
| History on a stamp: An Post and the decade of centenaries (2013-2022) Stair an stampa : an Post agus deich mbliana na gcuimhneachán (2013-2022) | Mark-FitzGerald, Emily | Monograph or Collective Volume | An Post | 2022 |
| Ireland's maritime heritage | Ireland, John de Courcy, 1911-2006 | Monograph or Collective Volume | An Post | 1992 |
| Letters, lives and liberty : at the An Post museum | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2011 |
| Letters, lives and liberty at the An Post Museum | Ferguson, Stephen | Monograph or Collective Volume | An Post | [2012?] |
| Letters, lives, and liberty at An Post museum | Ferguson, Stephen | Article in Journal | | 2012 |
| New republican postcards | Killen, John | Article in Journal | | 1980 |
| Postage stamps of Ireland : 70 years, 1922-1992 | Anonymous | Monograph or Collective Volume | An Post | 1992 |
| Self respect and a little extra leave : G.P.O. staff in 1916 | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2005 |
| Sorting letters on the sea : Holyhead mail boats and the Leinster tragedy | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2018 |
| Stillorgan Post Office | Lennon, John | Article in Journal | | 2008 |
| Tagebuch eines Iren | Ó Cróinín, Dáibhi | Article in Journal | | 2007 |
| The Fitzpatrick-Thomas letter of 1840 : the story behind a unique item of Irish postal history | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2012 |
| The Irish post box : silent servant and symbol of the state | Ferguson, Stephen | Monograph or Collective Volume | An Post | 2009 |
| Victorian post boxes | Davies, MaryMurphy, Damian | Article in Journal | | 2008 |