Here, you will find something other than standard essays about the four featured novels, something different, actually, from that generally contained in even the "literary biographies" popular at the time of their publication, an old-fashioned style of criticism even then coming to be sneered at by those contemporary scholars of the thirties who would soon come to be called "New Critics."
Barlow, Aaron. "Introduction to the Depression Era." The Depression Era: A Historical Exploration of Literature. Santa Barbara, CA: ABC-CLIO, 2016