From The Letters of Robert Frost, Volume 4, which was edited by Robert Bernard Hass, Henry Atmore, Donald Sheehy, and Mark Richardson. The book will be published this month by Harvard University Press. These letters were written after the death of Elinor Frost, his wife. To Bernard DeVoto March 21, 1938 ELINOR DIED LAST NIGHT MUST SEE YOU WHEN I COME NORTH SOON. ROBERT. DEVOTE. To Bernard DeVoto April 12, 1938 Well, Bennyvenuto: I expect to have to go depths below depths in thinking before I catch myself and can say what I want to be while I last. …