Critical Insights: Sylvia Plath
The Tragedies of William Shakespeare
Democracy in the Poetry of Walt Whitman
Encyclopedia of World Poetry, 1900 to the Present
The Comedies of William Shakespeare
Critical Insights: Nature & the Environment
The Britannica Guide to Literary Elements: Prose
African American Poets: Critical survey of poetry
The Britannica Guide to Literary Elements: Poetry and Drama: Literary Terms and Concepts
Depression in Sylvia Plath's The Bell Jar