Here are some useful secondary sources for Augustine and the Confessional Memoir. See the discussion pages for my notes from the Augustine lecture.

Tell, David. “Beyond Mnemotechnics: Confession and Memory in Augustine.” Philosophy and Rhetoric 39.3 (2006): 233-253.

Mani Rao, "Decoding Augustine via Saussure." In-Between: Essays & Studies in Literary Criticism 15.2 (Sept 2006): 131-138.

Foster, Patricia. “The rock pile in the swamp..” The Virginia Quarterly Review 79.3 (2003): 534-547.