Books by Richard J. O'Duffy:
Books in the extended shelves:
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O'Duffy, Richard J.: Historic graves in Glasnevin cemetery (J. Duffy and co., limited, 1915) (page images at HathiTrust; US access only)- O'Duffy, Richard J.: Oiḋe ċloinne Tuireann = The fate of the children of Tuireann (Gill, 1901), also by Society for the Preservation of the Irish Language (page images at HathiTrust; US access only)
- O'Duffy, Richard J.: Oidhe chloinne Lir (M.H. Gill, 1883), also by Brian O'Looney and Society for the Preservation of the Irish Language (page images at HathiTrust)
- O'Duffy, Richard J.: Oidhe chloinne Lir. The fate of the children of Lir. (Dublin, 1883), also by Ireland) Society for the Preservation of the Irish Language (Dublin (page images at HathiTrust)
- O'Duffy, Richard J.: Oidhe chloinne Lir. The fate of the children of Lir. (Gill, for the Society for the Preservation of the Irish Language, 1905), also by Aided Chlainne Lir and Society for the Preservation of the Irish Language (page images at HathiTrust; US access only)
- O'Duffy, Richard J.: Oidhe Chloinne Tuireann (Gill, 1888) (page images at HathiTrust)
- O'Duffy, Richard J.: Pursuit of Diarmuid and Grainne (M.H. Gill, 1895), also by Standish Hayes O'Grady (page images at HathiTrust)
- O'Duffy, Richard J.: Pursuit of Diarmuid and Grainne. (M.H. Gill, 1881), also by Standish Hayes O'Grady (page images at HathiTrust)
- O'Duffy, Richard J.: Pursuit of Diarmuid and Grainne (Gill, 1889), also by Society for the Preservation of the Irish Language (page images at HathiTrust)
- O'Duffy, Richard J.: Tóruiġeaċt Ḋiarmuda agus Ġráinne = The pursuit of Diarmuid and Grainne (M.H. Gill, 1884) (page images at HathiTrust)
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