Books by Seamus O'Cassidy:
Books in the extended shelves:
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O'Cassidy, Seamus, 1878?-1943: List of books, pamphlets, &c., printed wholly, or partly, in Irish, from the earliest period to 1820 (An Cló-Ċumann, 1905), also by E. R. McC. Dix (page images at HathiTrust)- O'Cassidy, Seamus, 1878?-1943: A typographical gazetteer of Ireland : or, The beginnings of printing in Irish towns (M.H. Gill, 1923) (page images at HathiTrust)
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