Brunner, Edward. Cold War Poetry. Urbana: University of Illinois Press, 2001. Contains several discussions of Gardner and her poetry, providing analyses of “The Music Room” and “Children Are Game.”
Hamilton, Ian. “Gardner, Isabella.” In The Oxford Companion to Twentieth-Century Poetry in English. New York: Oxford University Press, 1994. Brief biography and general analysis of Gardner’s poems.
Logan, John. “The Poetry of Isabella Gardner.” Review of The Looking Glass. Sewanee Review 70, no. 2 (Spring, 1962): 250-253. Logan praises Gardner’s poetry, which he notes for its expressive feelings, and provides a close examination of the poetry in The Looking Glass.
Miller, Brett C. Flawed Light: American Women Poets and Alcohol. Urbana: University of Illinois Press, 2009. Miller studies how drinking and alcoholism affected prominent American women poets, and how their struggles were reflected in their poetry. Contains an informative chapter on Gardner.
Mills, Ralph J. Essays on Poetry. Normal, Ill.: Dalkey Archive Press, 2003. Contains an essay on Gardner and her poetry.
Serafin, Steven, and Alfred Bendixen, eds. The Continuum Encyclopedia of American Literature. New York: Continuum, 2005. Contains a short biography of Gardner with analysis of her works.
Willhardt, Mark, and Alan Michael Parker. “Gardner, Isabella.” In Who’s Who in Twentieth-Century World Poetry. New York: Routledge, 2001. Brief discussion of Gardner’s poetic career.