An Autobiographical Sketch is a short memoir of her growth as a writer that L.M. Montgomery published in the February 1929 issue of Ontario Library Review. It is reprinted in The L.M. Montgomery Reader, Volume 1: A Life in Print.
Bibliography
Montgomery, L.M. “An Autobiographical Sketch.” Ontario Library Review 13, no. 3 (February 1929): 94–96.
Also in The L.M. Montgomery Reader, Volume 1: A Life in Print, 254–59.