Irish Literature (10 vols., New York, 1904); Chambers's Cyclopaedia
of English Literature (3 vols., Philadelphia and London, 1902-1904);
Dictionary of National Biography; Encyclopaedia Britannica; Cambridge
History of English Literature; D'Alton: History of Ireland (London,
1910); Lennox: Early Printing in Ireland (Washington, 1909), Addison
and the Modern Essay (Washington, 1912), Lessons in English
Literature (21st edition, Baltimore, 1913); Macaulay: Essays, History
of England; Brown: A Reader's Guide to Irish Fiction (London, 1910),
A Guide to Books on Ireland (Dublin, 1912).