| Children's literature | Whyte, Pádraic | Article in Book | | 2011 |
| Donegal and the Victoria Cross | Doherty, Richard | Article in Journal | | 2020 |
| James Duffy and Catholic nationalism | Loeber, RolfStouthamer-Loeber, Magda | Article in Book | | 2011 |
| James Duffy, the Young Ireland publisher | MacManus, M. J. | Article in Book | | 1945 |
| Letterkenny's Garden of remembrance | Bourke, Wesley | Article in Journal | | 2013 |
| My grandfather James Michael Duffy | Flatman, Richard | Article in Journal | | 2005 |
| Obituary. James Duffy, 1861-1934 | S., A.W. | Article in Journal | | 1935 |
| The Duffy publishing family | Brennan, John | Article in Journal | | 2013 |
| The Nation reading rooms | Higgins, Roisín | Article in Book | | 2011 |
| Tugaimís onóir do chuimhne James Duffy | Ó h-Annluain, Ruaidhrí | Article in Journal | | 1945 |