| A history of our currency, from the pound to the euro with a note on Joseph Brennan, first governor of the Central Bank | Connolly, Seán | Article in Journal | | 2000 |
| A reappraisal of Joseph Brennan and the achievements of Irish banking and currency policy 1922-1943 | Drea, Eoin ; Barry, Frank | Article in Journal | | 2020 |
| Continuity and change in monetary policy and banking in Ireland 1922-43 | Drea, Eoin Paul | Thesis | | 2013 |
| Joseph Brennan, civil servant extraordinary | Ó Broin, León, 1902-1990 | Article in Journal | | 1977 |