Becker, Robin, “The Poetics of Engagement,” in American Poetry Review, Vol. 30, No. 6, November/December 2001, pp. 11-15.

In this article, Becker reviews books by eight American women poets, including McHugh, and points out the similarities of the times.

Harvey, Matthea, “Heather McHugh,” in Bomb, Summer 2005, pp. 82-88.

This interview brings up matters of style and method in McHugh's works that reflect directly on “Three To's and an Oi.”

Murphy, Bruce F., “Verse Versus Poetry,” in Poetry, Vol. 177, No. 3, January 2001, pp. 279-86.

An analysis of prose poetry, a form that McHugh often uses, includes discussion of her overall technique and reputation.

Schapira, Laurie Layton, The Cassandra Complex: Living with Disbelief, Inner City Books, 1988.

Schapira takes a Jungian psychological approach to the Cassandra story, looking at how its meaning has changed through age and cultures.