Includes correspondence from Leonie Adams, Jorge Amado, Dore Ashton, Jacques Barzun, Bernard Berenson, Elizabeth Bishop, R. P. Blackmur, Louise Bogan, Juan Bosch, Paul Bowles, Cleanth Brooks, Witter Bynner, Hayden Carruth, Eleanor Clark, Tristam Coffin, Padraic Colum, Malcolm Cowley, Hubert Creekmore, J. V. Cunningham, Harriet DeOnis, Babette Deutsch, Richard Eberhart, Dudley Fitts, George Garrett, Jorge Guillen, Donald Hall, Seamus Heaney, John Holmes, C. Gabrera Infante, Josephine Jacobsen, Alfred Kazin, X. J. Kennedy, Carolyn Kizer, Oskar Kokoschka, Olga Kokoschka, Stanley Kunitz, James Laughin, Denise Levertov, Frank MacShane (biographer), James Merrill, W. S. Merwin, Czeslaw Milosz, Marianne Moore, Pablo Neruda, John Frederick Nims, Ned O'Gorman, Octavio Paz, Norman Holmes Pearson, Walker Percy, Robert Phillips, Katherine Anne Porter, Edouard Roditi, Beatrice Roethke, Theodore Roethke, Stephen Spender, Enid Starkie, Allen Tate, Isabella Gardner Tate, Cesar Vallejo, Robert Penn Warren, Eudora Welty, John Hall Wheelock, Richard Wilbur, Adja Yunkers.