Report on the  papers of Sir William Rowan Hamilton (1805-1865), mathematician and Astronomer Royal of Ireland including the papers of rev. John O'Regan (d. 1898), Archdeacon and Precentor of Kildare 18th-19th century.
Great Britain.Royal Commission on Historical Manuscripts.
Great Britain.National Register of Archives.
[London?] : [Royal Commission on Historical Manuscripts : National Register of Archives],
1976.
"No. 76/55."