- Segregation: The Inner Conflict in the South by Robert Penn Warren, 1994-09-01
- Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry (Southern Literary Studies) by Joseph R. Millichap, 2009-12
- Racial Politics and Robert Penn Warren's Poetry by ANTHONY SZCZESIUL, 2002-12-31
- Understanding Poetry, Complete Edition by Cleanth Brooks, Jr. Robert Penn Warren, 1950
- Brother to Dragons: A Tale in Verse and Voices (Voices of the South Series) by Robert Penn Warren, 1996-10-01
- John Brown: The Making of a Martyr (Southern Classics) by Robert Penn Warren, 2002-03-25
- Homage to Theodore Dreiser On the Centennial of His Birth by Robert Penn Warren, 1971-07-12
- Democracy and Poetry (Harvard Paperbacks) by Robert Penn Warren, 1976-01-01
- 60 Years of American Poetry by Robert Penn Warren, 1996-09-01
- Promises: Poems 1954-1956 by Robert Penn Warren, 1957
- How Texas won her freedom;: The story of Sam Houston & the Battle of San Jacinto by Robert Penn Warren, 1959
- Chief Joseph Of The Nez Perce Who Call Themselves The Nimipu 'the Real People' - A Poem by Robert Penn Warren, 1983
- Un endroit où aller by Robert Penn Warren, Raymond Las Vergnas, 1993-12-28
- John Greenleaf Whittier's Poetry: An Appraisal and a Selection by Robert Penn Warren, 1971-06-02
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