| A short sketch of the North Cork Regiment of Militia, 9th Bn. K.R.R. Raised 1793. Disbanded March 31st 1908 | Day, Robert, 1836-1914 | Article in Journal | | 1908 |
| An old Galway silversmith | Day, Robert | Article in Journal | | 1905 |
| Mr. Justice Robert Day (1746-1841) : the diaries and the addresses to Grand Juries, 1793-1829 | Day, Robert, 1836-1914.O'Carroll, Gerald. | Monograph or Collective Volume | Polymath Press | 2004 |
| Regnum Corcagiense; or a description of the kingdom of Cork. | Cox, RichardDay, Robert, 1746-1841 | Article in Journal | | 1902 |