A double planet?

Sumner Braunstein, Chinua Achebe, Samuel Allen, A. R. Ammons, Rudolfo A. Anaya, Isaac Asimov, W. H. Auden, Bashō, Ann Beattie, Stephen Vincent Benét, Elizabeth Bishop, Isak Dinesen, Philip Booth, Jorge Luis Borges, Thomas Boswell, Ray Bradbury, Gwendolyn Brooks, Van Wyck Brooks, Robert Burns, Italo Calvino, Truman Capote, Rachel Carson, Miguel de Cervantes Saavedra, Chiyojo, Mark Twain, Lucille Clifton, Colette, Evan S. Connell, Aaron Copland, Julio Cortázar, Bei Dao, Anita Desai, Emily Dickinson, Annie Dillard, Buchi Emecheta, Lawrence Ferlinghetti, Jack Finney, Robert Francis, Robert Frost, Mary Gordon, Lorraine Hansberry, Nâzım Hikmet, Frank Horne, Langston Hughes, Hyakuchi, Issa, W. W. Jacobs, John Keats, William Melvin Kelley, Rudyard Kipling, John Knowles - undifferentiated, Howard Koch, Doris Lessing, Luo Guanzhong, Henry Wadsworth Longfellow, Amy Lowell, McCrae, John, Colleen J. McElroy, Naomi Long Madgett, Thomas Malory, Eve Merriam, Siyowin Miller, Gabriela Mistral, N. Scott Momaday, Toshio Mori, Mbuyiseni Oswald Mtshali, Saki, Rasipuram Krishnaswamy Narayan, DjiBril Tamsir Niane, Josephina Niggli, Naomi Shihab Nye, Sharon Olds, Mary Oliver, Dorothy Parker, Alan Paton, Pawnee Indian Tribe of Oklahoma., Octavio Paz, Juanita Platero, Edgar Allan Poe, Theodore Roethke, Carl Sandburg, William Shakespeare, Karl Jay Shapiro, Sophocles, Carl Stephenson, Wisława Szymborska, Alfred Lord Tennyson, Dylan Thomas, Lewis Thomas, James Thurber, Jean Toomer, Quincy Troupe, Anne Tyler, John Updike, Paul Verlaine, Paul Vesey, T. H. White, Darryl Babe Wilson, James Wright, Elinor Wylie, Yevgeny Aleksandrovich Yevtushenko, Joe Claro, Frances Earle, Christine Beckert Long, Guy de Maupassant, O. Henry, Kay Boyle, Heinrich Böll, Leslie Norris, Virginia Woolf, Toshio Morita, Edward D. Hoch, Bjørnstjerne Bjørnson, Katherine Mansfield, Mark Helprin, Sarah Orne Jewett, Frank R. Stockton, Willa Cather, Arnold Perl, Reginald Rose, Harry Crews, E. B. White, Calvin Trillin, Theodore H. White, May Swenson, Conrad Aiken, Marianne Moore, Elizabeth Jane Coatsworth, Marcie Hans, John Ciardi, Robert Francis McNamara, John Masefield, Christopher Morley, Bashö, Issa, Thomas Hardy, Edna St. Vincent Millay, Hill, Geoffrey., Edwin Muir, John Steinbeck, Elizabeth Madox Roberts, Nikki Giovanni, Diane Wakorski, George Herbert, William Stanley Braithwaite, Georgia Douglas Camp Johnson, Jesse Stuart, Owen Dodson, Fanny Kemble, James A. Emanuel, Alma Villanueva, Carmen Tattolla, Paul Laurence Dunbar, William Burford, Margaret Walker, Kathleen Raine, Bienvenido N. Santos, Lorna Dee Cervantes, Ana Castillo, Arna Bontemps, Humbert Wolfe, Sara Teasdale, Frank Marshall Davis, Heraclitus of Ephesus, Countee Cullen, Francesca Yetunde Pereira, Richard Hovey, Elizabeth Barrett Browning, Richard Wilbur, Naoshi Koriyama, Laura Tokunaya, Denise Levertov, Roger Babusci

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Carol Domblewski, Henry Aaron, Joan Aiken, Isabel Allende, Julia Alvarez, Rudolfo A. Anaya, Maya Angelou, Harold Apter, Isaac Asimov, Margaret Atwood, Toni Cade Bambara, Basho, The Beatles, Ray Bradbury, Richard Brautigan, Gladys Cardiff, Lewis Carroll, Rachel Carson, Kōnstantinos Petrou Kabaphēs, Alex Chadwick, Антон Павлович Чехов, Chiyojo, Arthur C. Clarke, Richard Connell, Bill Cosby, Harold Courtlander, Victor Hernández Cruz, E. E. Cummings, Keay Davidson, Walter De la Mare, Emily Dickinson, Joan Didion, Arthur Conan Doyle, Daphne du Maurier, Paul Laurence Dunbar, T. S. Eliot, Horton Foote, Robert Frost, Bill Gates, Chief Dan George, Steven Gietschier, Edith Hamilton, Lorraine Hansberry, James Haskins, Ralph Helfer, O. Henry, George Herzog, Όμηρος, Langston Hughes, Charlayne Hunter-Gault, James Hurst, Shirley Jackson, Lady Bird Johnson, John Keats, Martin Luther King Jr., Galway Kinnell, Yusef Komunyakaa, Gary Larson, John Lennon, Henriqueta Lisboa, Barry Lopez, Nelson Mandela, Guy de Maupassant, Paul McCartney, Scott McCloud, John McPhee, James A. Michener, Edna St. Vincent Millay, Gabriela Mistral, Joni Mitchell, Ronald D. Moore, Lillian Morrison, Edwin Muir, Saki, Walter Dean Myers, Rasipuram Krishnaswamy Narayan, Naomi Shihab Nye, Rosa Parks, Marge Piercy, Edgar Allan Poe, Ishmael Reed, Sally Ride, Tomás Rivera, Pattiann Rogers, Christina Georgina Rosetti, Cynthia Rylant, Carl Sandburg, William Shakespeare, Shu, Ting, Leslie Marmon Silko, Isaac Bashevis Singer, William Stafford, Wisława Szymborska, Amy Tan, Sara Teasdale, Alfred Lord Tennyson, Ernest Lawrence Thayer, James Thurber, Mark Twain, U2, Patricia Volk, Derek Walcott, Alice Walker, Margaret Walker, Walt Whitman, Bryan Wooley, William Wordsworth, Richard Wright