| A census of Ireland, circa 1659. With supplementary material from the Poll Money Ordinances, 1660-1661 | | Monograph or Collective Volume | Irish Manuscripts Commission | 1939 |
| A guide to Irish genealogical collections | Pender, Séamus | Article in Journal | | 1935 |
| A sixteenth century deed in the Waterford municipal archives | Pender, Séamus | Article in Journal | | 1951 |
| A tract on MacMahon's prerogatives | Pender, Séamus | Article in Journal | | 1936 |
| Council books of the corporation of Waterford, 1662-1700 | | Monograph or Collective Volume | | 1964 |
| Cromwellian Waterford | Pender, Séamus | Article in Journal | | 1939 |
| Déssi genealogies | | Monograph or Collective Volume | [s.n.] | 1937 |
| Féilscríbhinn Torna : tráchtaisí léannta in onóir don Ollamh Tadhg Ua Donnchadha | | Monograph or Collective Volume | University College Cork | 1947 |
| Fenian papers in the Catholic University of America - a preliminary survey | Pender, Séamus | Article in Journal | | 1976 |
| How to study local history | Pender, Séamus | Article in Journal | | 1941 |
| Luby, Kenyon and the MacManus funeral | Pender, Séamus | Article in Journal | | 1951 |
| Studies in Waterford history | Pender, Séamus | Article in Journal | | 1946 |
| Studies in Waterford history - 15 | Pender, Séamus | Article in Journal | | 1965 |
| Studies in Waterford history - 3 : Waterford municipal archives | Pender, Séamus | Article in Journal | | 1947 |
| Studies in Waterford history - 4 : the old council books of the Corporation of Waterford | Pender, Séamus | Article in Journal | | 1947 |
| Studies in Waterford history : 14, the guilds of Waterford, 1650-1700 | Pender, Séamus | Article in Journal | | 1956 |
| Studies in Waterford history : 5, the old council books of the corporation of Waterford (1649-78) | Pender, Séamus | Article in Journal | | 1948 |
| Studies in Waterford history : 8, the old council books of the corporation of Waterford | Pender, Séamus | Article in Journal | | 1950 |
| Studies in Waterford history : 9-10, the last common paper of remembrance of Waterford; the guilds of Waterford, 1650-1700 | Pender, Séamus | Article in Journal | | 1953 |
| Studies in Waterford history : XI, the guilds of Waterford, 1650-1700 | Pender, Séamus | Article in Journal | | 1954 |
| Studies in Waterford history : XIII, the guilds of Waterford | Pender, Séamus | Article in Journal | | 1955 |
| Studies in Waterford history, 17 | Pender, Séamus | Article in Journal | | 1968 |
| The O Clery book of genealogies | | Article in Journal | | 1951 |
| The old council books of the corporation of Waterford | Pender, Séamus | Article in Journal | | 1949 |
| The Uí Liatháin genealogies from the Book of Ballymote | Pender, Séamus | Article in Journal | | 1938 |
| Ui Bruicc, rig na nDessi | Pender, Séamus | Article in Book | | 1940 |
| Waterford council books of the Corporation of Waterford, 1662-1700; together with nine documents of 1580-82 | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |
| Waterford merchants abroad | Pender, Séamus | Monograph or Collective Volume | National University of Ireland | 1964 |
| Young Ireland in 1848 | Pender, Séamus | Article in Journal | | 1949 |