| El General O'Brien | Vicuna Mackenna, Benjamin | Article in Book | | 2006 |
| General O'Brien : West Wicklow to South America | | Monograph or Collective Volume | West Wicklow Historical Society | 2006 |
| John O'Brien : the early years | Lawlor, Chris | Article in Book | | 2006 |
| Life of General Juan O'Brien : hero of South American independence. Irish by birth, Chilean by adoption | Pablo Figueroa, Pedro | Article in Book | | 2006 |
| O'Brien's Baltinglass origins | Gorry, Paul | Article in Book | | 2006 |
| The legacy of General O'Brien in Chile | Morrin, Fergal | Article in Book | | 2006 |