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Tendencies in Modern American Poetry. New York, 1917.
Men, Women and Ghosts. New York, 1916.
Can Grande's Castle. New York, 1918.

LOWES, JOHN L.
Convention and Revolt in Poetry. Boston and New York, 1919.

LYLY, JOHN.
Euphues, edited by Croll, M. W., and Clemons, H. New York, 1916.

MACKAIL, J. W.
The Springs of Helicon. New York, 1909.

MARSHALL, HENRY R.
Aesthetic Principles. New York, 1895.

MAYOR, J. B.
Chapters on English Metre. London, 1886.

MILL, J. S.
"Thoughts on Poetry," in Dissertations, vol. 1.

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"The Songs in the English Drama" (Harvard Dissertation, unpublished).

MORSE, LEWIS K., editor.
Melodies of English Verse. Boston and New York, 1910.

NEILSON, WILLIAM A.
Essentials of Poetry. Boston and New York, 1912.