Wakoski, Diane. Emerald Ice: Selected Poems 1962-87. Santa Rosa, CA: Black Sparrow Press, 1988.
Whitehead, Alfred North. Nature and Life. New York: Greenwood Press, 1968.
Wordsworth, William. Poetical Works of Wordsworth. New York: Oxford University Press, 1960.
Yeats, William Butler. The Collected Poems of W.B. Yeats. New York, MacMillan, 1963.
