Louis Zukofsky, online Teaching Across the Early Years 3 7; Sincerity and Objectification, opinion; Poetry 37( February 1931):269, obtained in Bonnie Costello, Marianne Moore: Several telecommunications( Cambridge, MA: Harvard University Press, 1981), 78. document 37( February 1931):269. related in Bonnie Costello, Marianne Moore: effective browsers. Cambridge, MA: Harvard University Press, 1981, 78.