Enotes has a section on "Death in the Woods" concerning critiques. Just type in the title and the summary will appear. On the left hand side scroll down to Essays and Criticism. It will give you four critiques ranging from 1967 to 2000. Sister Mary Joselyn published "Some Artistic Dimensions in Death in the Woods" in Studies in Short Fiction in 1964. William Scheick published "Compulsion toward Repetition" in Studies in Short Fiction 1974. Clare Coquitt wrote "The Reader as Voyeur...." for Modern Fiction Studies in 1986. Susan Madsen Hardy wrote on "Commonality and Beauty in Death in the Woods" which was published in Gale in 2000. That gives you three different references. You might also want to check A Reference Guide to Short Fiction.
You will also find numerous other criticism if you go to his site on enotes.