| A report from the president of Munster, Sir William Drury, 24th March 1577 | Millett, Benignus | Article in Journal | | 2005 |
| A testimonial in favour of the Reverend John Dempsey 16 July 1693 | Millett, Benignus | Article in Journal | | 2003 |
| An untraced Irish work on catechetics | Millett, Benignus | Article in Journal | | 1991 |
| Ancient altar-plate and other furnishings of the church of Armagh | Millett, Benignus | Article in Journal | | 1958 |
| Appendix : the historiography of the martyrs | Millett, Benignus | Article in Book | | 2005 |
| Archbishop Edmund O'Reilly's report on the state of the church in Ireland, 1662 | Millett, Benignus | Article in Journal | | 1959 |
| Bonaventure Baron, O.F.M., 'Hibernus Clonmeliensis' | Millett, Benignus | Article in Book | | 1950 |
| Calendar of ... Scritture riferite nei congressi, Irlanda, in Propaganda archives | | Article in Journal | | 1978 |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of volume 13 of the "Fondo di Vienna" in propaganda archives : part 2, ff. 201-401 | Millett, Benignus | Article in Journal | | 1983 |
| Calendar of volume 13 of the "Fondo di Vienna" in propaganda archives : part 3, ff. 402-522 | Millett, Benignus | Article in Journal | | 1984 |
| Calendar of volume 14 of the 'Fondo de Vienna' in propaganda archives, part 1, ff 1-131 | Millett, Benignus | Article in Journal | | 1987 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 2, ff 132-283 | Millett, Benignus | Article in Journal | | 1988 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 3, ff. 284-395 | | Article in Journal | | 1990 |
| Calendar of volume 15 of the Fondo di Vienna in Propaganda archives | Millett, Benignus | Article in Journal | | 1991 |
| Calendar of volume 16 of the Fondo di Vienna in Propaganda archives : Part 1, ff 1-102 | Millett, Benignus | Article in Journal | | 1996 |
| Calendar of volume 16 of the Fondo di Vienna in Propaganda Archives : Part 3, ff 217-80 | Millett, Benignus | Article in Journal | | 1999 |
| Calendar of Volume 16 of the Fondo di Vienna in Propaganda archives : Part 4, ff. 281-371 | Millett, Benignus | Article in Journal | | 2001 |
| Calendar of volume 16 of the Fondo di Vienna in Propaganda archives, part 2, ff 103-216 | Millett, Benignus | Article in Journal | | 1998 |
| Calendar of volume 3 (1672-5) of the 'Scritture riferite nei congressi, Irlanda' in Propaganda Archives : 1 | Millett, Benignus | Article in Journal | | 1978 |
| Calendar of volume 3 (1672-5) of the 'Scritture riferite nei congressi, Irlanda' in propaganda archives : part 2, ff 201-518 | Millett, Benignus | Article in Journal | | 1979 |
| Calendar of volume, 2 (1669-71) of 'Scritture riferite nei congresi Irlanda' in propaganda archives : part 2 | Millett, Benignus | Article in Journal | | 1975 |
| Calendar of volume1 (1625-68) of the collection 'Scritture riferite nei congressi, Irlanda' in Propaganda Archives | Millett, Benignus | Article in Journal | | 1964 |
| Catalogue of Irish material in fourteen volumes of the 'Scritture originali riferite nelle congregazioni generali' in propaganda archives | Millett, Benignus | Article in Journal | | 1967 |
| Catalogue of Irish material in fourteen volumes of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1969 |
| Catalogue of Irish material in vols 132-139 of the 'Scritture originali riferite nelle congregazioni generali' in propaganda archives | Millett, Benignus | Article in Journal | | 1969 |
| Catalogue of Irish material in vols 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1985 |
| Catalogue of Irish material in vols. 140-3 of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1971 |
| Catalogue of Irish material in vols. 370 and 371 of the Scritture riferite originali nelle congregazioni generali in Propaganda Archives | | Article in Journal | | 1985 |
| Catalogue of Irish materials in vols 129-131 of the 'Scritture originali riferite nelle congregazioni generali' in Propaganda Archives | Millett, Benignus | Article in Journal | | 1968 |
| Catalogue of volume 294 of the 'Scritture originali riferite nelle congregazioni generali' in propaganda archives | Millett, Benignus | Article in Journal | | 1965 |
| Clothing and profession of Friars Minor in Cork, 1814-22 | | Article in Journal | | 1966 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vol. 38 (1657-64) | | Article in Journal | | 1990 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vols 27-34 (1649-64) | | Article in Journal | | 1988 |
| Correspondence of Irish interest in the Lettere in Propaganda Archives : vols. 27-34 (1649-64) | Millett, Benignus | Article in Journal | | 1988 |
| Correspondence of Irish interest in the Lettere in Propaganda Archives, vol. 38 (1657-1664) | | Article in Journal | | 1990 |
| Dioceses in Ireland up to the 15th century | Millett, Benignus | Article in Journal | | 1986 |
| Documents : Massari's account of the truce with Inchiquin, 1648 | | Article in Journal | | 1953 |
| Dún Mhuire, Killiney, 1945-95 : léann agus seanchas | | Monograph or Collective Volume | Lilliput | 1995 |
| Elphin and Ross seek Franciscans as bishops, 1649-1651 | Millett, Benignus | Article in Journal | | 1993 |
| Fabian Ryan, O.P., postulated as bishop by clergy and laity of Cashel and of Emly 1652 | | Article in Journal | | 1988 |
| Four letters of Father James White, O.F.M. of Clonmel, 1668-79 | | Article in Journal | | 1976 |
| Franciscans in Ireland in 1654 | Millett, Benignus | Article in Journal | | 1993 |
| Guide to material for a biography of Father Luke Wadding | Millett, Benignus | Article in Book | | 1957 |
| Heber Macmahon, Bishop of Clogher (d. 1650) | Millett, Benignus | Article in Journal | | 1997 |
| Irish ecclesiastical history and the papal archives : 2, the archives of the Sacred Congregation de Propaganda Fide | Millett, Benignus | Article in Journal | | 1956 |
| Irish Franciscans ask Propaganda to give them books for their pastoral ministry in Ireland, 1689-96 | Millett, Benignus | Article in Journal | | 2003 |
| Irish literature in Latin, 1500-1700 | Millett, Benignus | Article in Book | | 1991 |
| Irish Scotists at St Isidore's College, Rome in the seventeenth century | Millett, Benignus | Article in Book | | 1968 |
| Irishmen ordained at Prague 1628-1700 : additions and corrections to Matthäus Hösler's list | Millett, Benignus | Article in Journal | | 1998 |
| James Ussher, Francis Barnaby and Blessed Conor O'Devany, January-February 1612 | Millett, Benignus | Article in Journal | | 1996 |
| John Foxholes Franciscan Archbishop of Armagh 1471-74 | Millett, Benignus | Article in Journal | | 1999 |
| John Kearney O.F.M. | Millett, Benignus | Article in Book | | 2005 |
| Lease of the Friary of Crevalea (Dromahaire) in County Leitrim to Owen Wynne, 1 April 1658 | Millett, Benignus | Article in Journal | | 1999 |
| Les diocèses d'Irlande jusqu'au XVe siècle | Millett, Benignus | Article in Journal | | 1985 |
| Maurice MacBrien, bishop of Emly, and the confiscation of his baggage, March 1578 | Millett, Benignus | Article in Journal | | 1993 |
| Ninety candidates proposed for Irish dioceses, c. 1665 | Millett, Benignus | Article in Journal | | 1955 |
| Patrick O'Healy, O.F.M., and Conn O'Rourke, O.F.M. | Millett, Benignus | Article in Book | | 2005 |
| Patrick O'Healy, OFM and Conn O'Rourke, OFM: two Irish martyrs | Millett, Benignus, OFM | Article in Journal | | 2011 |
| Rival vicars : disputed jurisdiction in Limerick, 1654-1671 | Millett, Benignus | Article in Book | | 1967 |
| Some lists of Irish Franciscans in Prague 1656-1791 | Millett, Benignus | Article in Journal | | 1994 |
| Some lists of priests in Ireland, 1684-94 | | Article in Journal | | 1985 |
| Something new on Blessed Patrick O'Hely, O.F.M. | Millett, Benignus | Article in Journal | | 2000 |
| Statutes of the provincial synod of Cashel, 1661 | | Article in Journal | | 1966 |
| Survival and reorganisation, 1650-95 | Millett, Benignus | Monograph or Collective Volume | Gill | 1968 |
| The archives of St. Isidore's College, Rome | Millett, Benignus | Article in Journal | | 1985 |
| The archives of the Congregation de Propaganda Fide | Millett, Benignus | Article in Journal | | 1956 |
| The beatified martyrs of Ireland (1) : Patrick O'Healy, O.F.M., Conn O'Rourke, O.F.M. | Millett, Benignus | Article in Journal | | 1999 |
| The beatified martyrs of Ireland (11) : John Kearney, O.F.M. (Priest) | Millett, Benignus | Article in Journal | | 2001 |
| The community of St Isidore's College during the second French occupation of Rome, 1810-14 | Millett, Benignus | Article in Journal | | 1990 |
| The Friars Minor in County Wicklow, Ireland, 1260-1982 | Millett, Benignus | Article in Journal | | 1984 |
| The guardian of Donegal Friary [Sean MacGrath] appeals to Philip II of Spain, 1596 | Millett, Benignus | Article in Journal | | 1985 |
| The Irish Franciscans and education in late medieval times and the early Counter Reformation, 1230-1630 | Millett, Benignus | Article in Journal | | 2001 |
| The Irish Franciscans, 1651-1665 | Millett, Benignus | Monograph or Collective Volume | Gregorian University Press | 1964 |
| The ordination of Dermot O'Hurley, 1581 | Millett, Benignus | Article in Journal | | 1983 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Journal | | 1966 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Book | | 1995 |
| The pastoral zeal of Robert Wauchope | Millett, Benignus | Article in Journal | | 1956 |
| The seventeenth century | Millett, Benignus | Article in Book | | 1991 |
| The superiors of the Franciscan friary, Athlone, 1626-1972 | Millett, Benignus | Article in Journal | | 1973 |
| The translation work of the Irish Franciscans | Millett, Benignus | Article in Journal | | 1997 |
| Walter Cheevers, O.F.M., postulated for Ferns, 1622 | Millett, Benignus | Article in Journal | | 1993 |