Old Celtic Romances, [139].

Old Knowledge, The, [122].

Omar Khayyám, [141].

On Baile's Strand, [27], [28], [58], [59].

O'Neill, Maire, [23], [26].

"Moira O'Neill" (Mrs. Nesta Higginson Skrine), [10], [255].

Origines Islandicæ, [238].

O'Riordan, Conal. (See "Norreys Connell.")

O'Rourke, J.A., [211], [217].

Ossian, [3], [138].