1. Michael D Higgins returned €2.6 million of pay and allowances to State over 14-year presidency  The Journal
  2. Underspend of nearly €400,000 in second Higgins Áras term  RTE.ie
  3. Michael D Higgins gives over €2m back to the State after two presidency terms  Irish Mirror
  4. Michael D. Higgins returns total of €2.6 million to Exchequer over course of two terms as President of Ireland  Extra.ie
  5. Michael D Higgins returns €2.6 million in salary and allowances to the State of Ireland  The Irish Independent