| A guide to tracing your Dublin ancestors | Ryan, James G.Smith, Brian | Monograph or Collective Volume | Flyleaf | 1998 |
| A guide to tracing your Dublin ancestors | Ryan, James G.Smith, Brian | Monograph or Collective Volume | Flyleaf Press | 2009 |
| A note on tenants of Putland estate in Garrycloyne & Templeusque, Co. Cork, 1815-25 | Ryan, James G. | Article in Journal | | 2024 |
| Catholic church records | Ryan, James G. | Article in Book | | 1992 |
| Easter Rising 1916 - the General Post Office area | Ryan, James | Article in Journal | | 1966 |
| In the G.P.O. : the medical unit | Ryan, James | Article in Book | | 1966 |
| Inadmissable departures : why did the emigrant experience feature so infrequently in the fiction of the mid-twentieth century? | Ryan, James | Article in Book | | 2004 |
| Introduction | Ryan, James G. | Article in Book | | 1992 |
| Irish church records : their history, availability and use in family and local history research | | Monograph or Collective Volume | Flyleaf Press | 2001 |
| Irish church records : their history, availability and use in family and local history research | | Monograph or Collective Volume | Flyleaf Press | 1992 |
| Irish records : sources for family and local history | Ryan, James G. | Monograph or Collective Volume | Ancestry | 1997 |
| Irish records : sources for family and local history | Ryan, James | Monograph or Collective Volume | Ancestry Publishing|Flyleaf | 1988 |
| Letter from America - 1886 | Ryan, James | Article in Journal | | 1996 |
| Máirín Cregan (Ryan) | Ryan, James G. | Article in Journal | | 2013 |
| My Easter week in the G.P.O. | Ryan, James | Article in Book | | 1943 |
| Sources for Irish family history | Ryan, James G. | Monograph or Collective Volume | Flyleaf | 2001 |
| St Mary's church, Thurles. (Gravestone inscriptions) | Ryan, James | Article in Journal | | 1994 |
| Tenants of the O'Donel Estate in Cong, 1790-1815 | Ryan, James G. | Article in Journal | | 2024 |
| The G.P.O. | Ryan, James | Article in Journal | | 1942 |
| Tracing your Dublin ancestors | Ryan, James G.Smith, Brian | Monograph or Collective Volume | Flyleaf Press | 2017 |