Gómez-Galisteo, M. Carmen. A Successful Novel Must Be in Want of a Sequel: Second Takes on Classics from The Scarlet Letter to Rebecca. Jefferson, NC and London:: McFarland, 2018. 978-1476672823
npr.org
Seabrook, Andrea (March 2, 2008). "Sinner, Victim, Object, Winner". National Public Radio (NPR). (A quotation in the article refers to The Scarlet Letter as Hawthorne's "masterwork"; in the audio version, the novel is referred to as his "magnum opus".)