How many books of poetry did the poet, who was published by Sheldon Dick, write?
Edgar Lee Masters Edgar Lee Masters (August 23, 1868 – March 5, 1950) was an American attorney, poet, biographer, and dramatist. He is the author of "Spoon River Anthology", "The New Star Chamber and Other Essays", "Songs and Satires", "The Great Valley", "The Serpent in the Wilderness" "An Obscure Tale", "The Spleen", "Mark Twain: A Portrait", "Lincoln: The Man", and "Illinois Poems". In all, Masters published twelve plays, twenty-one books of poetry, six novels and six biographies, including those of Abraham Lincoln, Mark Twain, Vachel Lindsay, and Walt Whitman.
Paul Petrie Paul James Petrie (July 1, 1928 - November 9, 2012) was an American poet and professor emeritus of English and creative writing at the University of Rhode Island in Kingston where he taught for over 30 years. His work has appeared in over 100 literary journals and magazines—including "Poetry", "The New Yorker", "Atlantic Monthly", "New York Times", "The Nation", "The New Republic", "Sewanee Review", "Paris Review", "Massachusetts Review", "The Michigan Quarterly Review" - and has been reprinted in eight anthologies including "The Treasury of American Poetry".