| An Irish version of the Somniale Danielis | | Article in Book | | 1995 |
| Betha Adamnáin | Best, R. I. (Richard Irvine), 1872-1959 | Article in Book | | 1908 |
| Bibliography of Irish philology and manuscript literature : publications, 1913-41 | Best, R. I. (Richard Irvine), 1872-1959 | Monograph or Collective Volume | Institute for Advanced Studies | 1942 |
| Bibliography of the publications of Kuno Meyer | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1925 |
| Bibliography of the publications of Richard Irvine Best | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1960 |
| Bibliography of the publications of Whitley Stokes | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1912 |
| Bodleian MS Laud 610 | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1956 |
| On Irish studies in the Academy | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1946 |
| Palaeographical notes I. The Rawlinson B 502 Tigernach | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1914 |
| Palaeographical notes II. Lebor na Huidre | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1916 |
| Palaeographical notes III : the Book of Armagh | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1958 |
| Pii antistitis icon, or the Life of Francis Kirwan, bishop of Killala, 1669 | Lynch, John, d. in or after 1677 | Monograph or Collective Volume | The Stationery Office | 1951 |
| Some Irish charms | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1952 |
| The Annals of Inisfallen reproduced in facsimile from the original manuscript (Rawlinson B 503) in the Bodleian library, with a descriptive introduction | | Monograph or Collective Volume | | 1933 |
| The Book of Leinster, formerly Lebar na Núachongbála. 5 vols. | | Monograph or Collective Volume | Institute for Advanced Studies | 1954 |
| The Commentary on the psalms with glosses in Old-Irish preserved in the Ambrosian library (MS. C 301 inf.) / collotype facsimile | Best, R. I. (Richard Irvine), 1872-1959 | Monograph or Collective Volume | Hodges Figgis for the Royal Irish Academy | 1936 |
| The Leabhar Oiris | | Article in Journal | | 1904 |
| The martyrology of Tallaght | | Monograph or Collective Volume | | 1931 |
| The oldest fragments of the Senchas Már (MS. H.2.15, Trin. coll) | | Article in Journal | | 1941 |
| The oldest fragments of the Senchas Már from MS. H.2.15 in the Library of Trinity College | | Monograph or Collective Volume | | 1931 |
| The St Gall incantation against headache | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1916 |
| The Yellow Book of Lecan | Best, R. I. (Richard Irvine), 1872-1959 | Article in Journal | | 1950 |
| Whitley Stokes (1830-1909) : a memorial discourse | Best, R. I. (Richard Irvine), 1872-1959 | Monograph or Collective Volume | University P. | 1951 |