Bly, Robert, ed., News of the Universe: Poems of Twofold Consciousness, Sierra Club Books, 1980.

Lawrence, D. H., Selected Poems, Penguin, 1971.

Murphy, Patrick D., ed., Critical Essays on Gary Snyder, G. K. Hall, 1991.

—, A Place for Wayfaring: The Poetry and Prose of Gary Snyder, Oregon State University Press, 2000.

—, Understanding Gary Snyder, University of South Carolina Press, 1992.

Schultz, Robert, and David Wyatt, "Gary Snyder and the Curve of Return," in Critical Essays on Gary Snyder, edited by Patrick D. Murphy, G. K. Hall, 1991.

Snyder, Gary, The Real Work: Interviews & Talks, 1964- 1979, edited and with an introduction by William Scott McLean, New Directions, 1980.

—, Regarding Wave, Fulcrum Press, 1970.

Wordsworth, William, "Lines Written a Few Miles above Tintern Abbey," in Lyrical Ballads, edited by R. L. Brett and A. R. Jones, Methuen, 1971, pp. 113-18.