Líon alt a bhfuil an ghné seo luaite iontu: 1
Tar éis oideachais i Kreuznach chaith sé tamaill in ollscoileanna Strasbourg, Tubingen agus Bheirlín. Chaith sé cuid de shamhradh 1878 i mBaile Átha Cliath agus bhí fós ann 4 Deireadh Fómhair nuair a scríobh sé an litir seo chuig Diarmuid Mac Suibhne (féach cuntas air sa chuntas ar a mhac Pádraig Mac Suibhne (1875–1935), rúnaí Chumann Buanchoimeádta na Gaeilge: ‘Although it is the more ancient period of this language that occupies my attention, yet having determined in this summer just past to betake myself, for the advancement of my studies, directly to the place where the sources of the language of this period most abound, and to spend my holidays in discovering some of the treasures which lie buried in the libraries of Royal Irish Academy, Trinity College, and the Franciscan Convent