Conservative Reform
Catalogue of the very Important & Valuable Collection of Genealogical and Heraldic Manuscripts, and a few printed books, the property of the late Sir William Betham ... Which will be sold by auction ... on ... 10th ... May, 1860, etc
Irish Antiquarian Researches, by Sir William Betham, F.S.A. Ulster King of Arms of All Ireland, Keeper of the Records of the Late Parliament of Ireland, Deputy Keeper of the Records in Birmingham Tower, in His Majesty's Castle of Dublin, &c. &c
A Letter to Sir William R. Hamilton ...
Catalogue of the Valuable Library of the Late Sir William Betham ...
Irish Family History
A Letter to Sir W. R. Hamilton ... in Reply to Certain Charges Made Against the Author by Sir W. Betham, in Two Lectures Recently Published
Pedigree of the Earls of Desmond, from the MS. of Sir William Betham, Etc
Dignities, Feudal and Parliamentary, and the Constitutional Legislature of the United Kingdom. The Nature and Functions of the Aula Regis, the Magna Concilia, and the Communia Concilia of England, and the History of the Parliaments of France, England, Scotland, and Ireland, Investigated and Considered with a View to Ascertain the Origin, Progress, and Final Establishment of Legislative Parliaments, and of the Dignity of a Peer, Or Lord of Parliament. By Sir William Betham, Ulster King of Arms, and Keeper of the Records in the Tower of His Majesty's Castle of Dublin, M.R.I.A.F.S.A.F.L.S. &c
Catalogus librorum manuscriptorum in bibliotheca d. Thomæ Phillipps [compiled by himself].
Catalogus librorum manuscriptorum in Bibliotheca D. Thomae Phillipps, Bart. A.D. 1837
Thomas Sopwith
A Genealogical and Heraldic History of the Landed Gentry of Great Britain
The Gael and Cymbri; Or an Inquiry Into the Origin and History of the Irish, Scoti, Britons, and Gauls, and of the Caledonians, Picts, Welsh, Cornish, Bretons. By Sir William Betham, Ulster King of Arms, &c. &c
A Genealogical and Heraldic History of the Landed Gentry of Great Britain
On the Patrician Documents
Bibliotheca Phillippica
Etruria-Celtica. Etruscan Literature and Antiquities Investigated; Or, the Language of that Ancient and Illustrious People Compared and Identified with the Iberno-Celtic, and Both Shown to be Phoenician. By Sir William Betham, Ulster King of Arms, Vice-Presidence of the Royal Dublin Society, F.A.S. M.R.I.A. Etc. Etc. Member of the Royal Academy of Sciences of Lisbon, Author of "Irish Antiquarian Researches," "Gael and Cimbri," "History of the Constitution of England and Ireland," Etc. Etc
Papers Read Before the Royal Irish Academy
Dignities, Feudal and Parliamentary, and the Constitutional Legislature of the United Kingdom