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- English poetry — 20th century -- History and criticism
English poetry — 20th century -- History and criticism — Audiobooks
Giant Hours with Poet Preachers
by William L. (William Le Roy) Stidger
Studies of Contemporary Poets
by Mary Sturgeon
The Advance of English Poetry in the Twentieth Century
by William Lyon Phelps
Science and poetry
by I. A. (Ivor Armstrong) Richards